Top 10 Phone Parts Suppliers in China (2025 Edition)

Finding reliable phone parts suppliers in China can feel overwhelming. With thousands of vendors claiming top quality and best prices, repair shop owners and wholesalers often waste time and money on disappointing products and unreliable partners.

The best phone parts suppliers in China combine manufacturing expertise, quality control processes, and international business capabilities. Top suppliers typically have 5+ years of industry experience, multiple quality tiers to serve different price points, and transparent business practices with verifiable credentials.

After 11+ years sourcing phone parts from factories across China and building relationships throughout Huaqiang North (the world’s largest electronics market), I’ve witnessed countless suppliers rise and fall. In this 2025 guide, I’ll share the suppliers that consistently deliver quality, reliability, and value based on my firsthand experience and industry connections.

Who Are the Most Reliable iPhone Screen Suppliers in China?

I’ve seen repair businesses order screens from random suppliers only to receive packages with mismatched quality, dead pixels, and touch sensitivity issues. The financial and reputation damage can be devastating.

The most reliable iPhone screen suppliers in China include FIZON, EZ Fix, JK Screen, and TopLCD, all offering multiple quality grades from standard INCELL to premium OLED options. These suppliers perform 100% functionality testing, provide 30+ day warranties, and offer transparent quality grading systems.

Finding reliable iPhone screen suppliers requires looking beyond flashy websites and low prices. Having personally visited dozens of factories and testing facilities throughout China, I’ve developed a comprehensive evaluation system to identify truly dependable suppliers.

The most critical factor in screen quality is the supplier’s relationship with manufacturing facilities. Top suppliers either operate their own production lines or have exclusive partnerships with manufacturers, giving them direct control over quality standards. In contrast, many smaller vendors simply purchase from general markets and perform minimal quality checks.

Here are my top recommendations for iPhone screen suppliers based on consistent performance:

1. FIZON (Shenzhen) – Specializing in premium-grade screens, FIZON has been operating since 2013 and offers exceptional color accuracy and longevity across their product range. They’re particularly strong in OLED and Original Refurbished categories with comprehensive testing protocols.

2. EZ Fix (Guangzhou) – Known for their consistent mid-range options, EZ Fix provides reliable INCELL and OLED screens at competitive prices. Their quality control process includes 15-point testing for each screen.

3. JK Screen (Shenzhen) – With one of the largest inventories in China, JK Screen offers every quality tier from budget to premium. Their strength lies in consistent grading and transparency about each product’s specifications.

4. TopLCD (Dongguan) – A manufacturer-direct supplier specializing in high-volume orders with some of the industry’s most stringent quality control processes, including aging tests that simulate months of use within days.

When evaluating screen suppliers, I recommend requesting detailed information about:

Evaluation Criteria	What to Look For	Red Flags
Testing Methodology	Multi-stage testing with specific parameters	Vague descriptions or "100% perfect" claims
Return Rate Data	Transparency about actual return rates (0.8-4% is realistic)	No data or claims of 0% returns
Inventory Source	Direct manufacturing connections or exclusive partnerships	Multiple middlemen or market purchasing
Consistency Between Orders	Batch tracking systems and quality control documentation	Significant variation between orders
Warranty Terms	Clear, written warranty with straightforward claim process	Verbal promises or complicated claim procedures

By prioritizing these factors over simply finding the lowest price, you’ll avoid the costly cycle of returns, customer complaints, and reputation damage that comes from working with unreliable suppliers.

Which Suppliers Offer the Best Prices on Samsung Phone Parts?

Many wholesalers I’ve met were initially attracted to suppliers offering incredibly low prices on Samsung parts, only to discover that corners had been cut on testing or components, leading to high failure rates.

Top Samsung parts suppliers in China with competitive pricing include SupremeParts, GalaxyFix, and Shenzhen Mobile Supply Chain. These suppliers offer genuine Samsung service packs starting at $45-70 and high-quality aftermarket options from $25-45, with bulk discounts of 5-15% available for orders over $5,000.

Samsung parts pricing is particularly complex due to the variety of models and the significant differences between genuine service parts and aftermarket alternatives. After analyzing pricing across hundreds of orders, I’ve identified suppliers that consistently offer the best value (not just the lowest prices).

The most competitive Samsung parts suppliers maintain direct relationships with either Samsung’s authorized refurbishment partners or with factories that produce components for Samsung’s supply chain. This allows them to offer prices 10-30% lower than general market rates while maintaining quality standards.

Here’s my assessment of the top Samsung parts suppliers based on pricing and value:

1. SupremeParts (Shenzhen) – Specializes in Samsung service pack screens at 5-10% below market rates. Their direct relationship with Samsung’s service network allows them to offer genuine parts with full functionality, including fingerprint sensors and edge features.

2. GalaxyFix (Guangzhou) – Offers the best mid-range option with TFT and OLED screens at competitive prices. Their partial service packs maintain most original functionality at 30-40% lower costs than full service packs.

3. Shenzhen Mobile Supply Chain – Provides the best bulk pricing for high-volume buyers, with tiered discounts starting at $3,000 orders and increasing with volume. Their comprehensive catalog covers virtually every Samsung model.

4. FIZON (Shenzhen) – Though not the absolute cheapest, FIZON offers excellent value through consistent quality grading and transparency. Their premium aftermarket options often outperform competitors’ service packs at similar price points.

When comparing Samsung parts pricing, be sure to evaluate these often-overlooked factors that affect total cost:

1. Functionality completeness – Lower-priced screens often lack full compatibility with features like edge sensitivity, fingerprint sensors, or proper brightness calibration

2. Failure rates – The true cost includes return rates; a $35 screen with 10% failures ultimately costs more than a $40 screen with 2% failures

3. Shipping efficiency – Some suppliers offer seemingly lower prices but pack inefficiently, resulting in higher shipping costs per unit

4. MOQ requirements – The best pricing often requires significant minimum order quantities; evaluate whether the discount justifies potential inventory challenges

Based on my experience, repair businesses typically find the best value in the mid-range market, where quality is sufficient for customer satisfaction while prices allow for healthy profit margins of 40-60%.

Where to Find Quality Xiaomi and Huawei Parts Wholesale?

In Shenzhen last year, many repair shops struggling to source reliable Xiaomi and Huawei parts. One shop owner had ordered 50 Xiaomi screens that looked identical but had wildly inconsistent touch response.

The best wholesale suppliers for Xiaomi and Huawei parts include XiaomiParts Pro, Hua-Supply, Eastern Electronics, and FIZON. These suppliers offer both original and high-quality aftermarket options with prices ranging from $18-45 for LCD screens and $25-65 for OLED displays depending on model and quality tier.

The market for Xiaomi and Huawei parts has evolved significantly in recent years as these brands have expanded globally. While historically challenging to source outside China, several suppliers have developed reliable international distribution channels for these components.

The key to finding quality Xiaomi and Huawei parts is understanding the unique supply chain for these predominantly Chinese brands. Unlike Apple and Samsung parts, which have well-established global distribution networks, Chinese brand parts often come directly from production overruns or from the same factories manufacturing the original components.

Here are my recommendations for the most reliable Xiaomi and Huawei parts suppliers:

1. XiaomiParts Pro (Shenzhen) – With direct connections to Xiaomi’s supply chain, they offer parts that are virtually indistinguishable from those used in original production. Their catalog is particularly strong for popular global models like the Redmi and Mi series.

2. Hua-Supply (Dongguan) – Specializing exclusively in Huawei components, this supplier provides everything from display assemblies to small components like cameras and charging ports. They’re one of the few suppliers with consistent access to parts for newer Huawei models despite global supply challenges.

3. Eastern Electronics (Guangzhou) – Offers the most comprehensive catalog for both brands, including parts for regional variants not widely available elsewhere. Their quality control process includes model-specific testing that accounts for the unique characteristics of each phone.

4. FIZON (Shenzhen) – Provides exceptional consistency across orders with detailed quality grading. Their strength lies in transparent business practices and reliable logistics for international buyers.

When sourcing Xiaomi and Huawei parts, it’s essential to navigate these unique challenges:

1. Model verification – Many models have multiple regional variants with slight component differences; ensure suppliers can match specific model numbers

2. Software compatibility – Some replacement parts, particularly fingerprint sensors and cameras, require specific firmware compatibility

3. Authentication features – Higher-quality suppliers provide parts that maintain compatibility with security features that might otherwise trigger verification warnings

Based on repair shop feedback, here’s a general pricing guideline for Xiaomi and Huawei replacement parts in 2025:

Component Type	Budget Tier	Standard Tier	Premium/Original
LCD Screens	$18-25	$25-35	$35-45
OLED Displays	$25-35	$35-50	$50-65
Battery	$8-12	$12-18	$18-25
Charging Port	$3-5	$5-8	$8-12
Camera Modules	$15-25	$25-40	$40-65

Interestingly, I’ve found that Xiaomi and Huawei parts often offer better profit margins for repair businesses compared to iPhone and Samsung parts due to lower acquisition costs while maintaining similar customer pricing expectations.

What Are the Best Sources for iPhone Battery Replacements?

Last month, a customer ordered 200 iPhone batteries from a random supplier on a marketplace site. Within two weeks, they had 35 batteries swell up and 12 iPhones with battery percentage issues, creating a customer service nightmare.

Top iPhone battery suppliers include PowerMax, BatteryPro, iTech Power Solutions, and FIZON. Quality batteries cost $8-15 wholesale depending on iPhone model and feature either properly transferred IC boards or diagnostic-type batteries that don’t require IC transfers, with the best suppliers offering 0.5-1% or less defect rates.

iPhone battery sourcing requires specialized knowledge due to Apple’s serialization and battery management systems. After analyzing hundreds of battery suppliers, I’ve identified those that consistently provide reliable products with the necessary technical specifications.

The most important technical consideration for iPhone batteries is the IC (Integrated Circuit) board. Apple’s batteries contain a chip that communicates with the iPhone, providing information about battery health, cycle count, and temperature. There are two approaches to replacement batteries:

1. IC Transfer Batteries – These require the technician to physically move the IC board from the original battery to the replacement through a delicate soldering process. While more complex to install, these maintain full battery health reporting functionality.

2. Diagnostic Batteries – A newer alternative that comes with a pre-installed compatible IC that can pair with the iPhone. These are easier to install but may offer slightly less comprehensive battery health data in some models.

Based on extensive testing and customer feedback, here are my recommendations for iPhone battery suppliers:

1. PowerMax (Shenzhen) – Specializes exclusively in batteries with an industry-leading 0.3% defect rate. Their batteries maintain capacity longer than most competitors based on cycle testing data.

2. BatteryPro (Guangzhou) – Offers exceptional value with batteries that deliver 93-97% of original capacity at competitive prices. Their diagnostic batteries are particularly reliable for newer iPhone models.

3. iTech Power Solutions (Dongguan) – Provides the most comprehensive range of options including original pulled batteries (from unused devices), premium replacements, and standard alternatives to fit different price points.

4. FIZON (Shenzhen) – Focuses on premium-tier batteries with extensive testing and detailed capacity verification. Each battery undergoes charge/discharge cycle testing before shipping.

When evaluating battery suppliers, these technical specifications matter most:

Specification	What to Look For	Why It Matters
Actual Capacity	Within 5% of advertised mAh	Affects runtime and longevity
Charge Cycles	Rated for 500+ cycles	Determines battery lifespan
Internal Resistance	Low and consistent	Prevents overheating and ensures stable performance
IC Compatibility	Model-specific programming	Enables proper battery health reporting
Cell Origin	Japan/Korea/Tier 1 Chinese cells	Higher quality lithium cells maintain capacity longer

Through my testing, I’ve found that the price difference between budget and premium iPhone batteries ($3-5 per unit) is easily justified by the reduction in defect rates, customer complaints, and warranty claims. The best suppliers provide detailed specification sheets and are transparent about their testing methodologies.

How to Find Reliable Small Component Suppliers for Phone Repair?

A repair chain owner once told me they were spending more on shipping small components (cameras, charging ports, etc.) than on the parts themselves. After connecting them with a consolidated supplier, they reduced logistics costs by 60%.

Leading small component suppliers include MicroParts Hub, Component Central, RepairTech, and FIZON. These suppliers offer comprehensive catalogs of cameras, charging ports, buttons, and sensors for all major brands with prices typically 70-85% lower than OEM parts while maintaining 90%+ functionality equivalence.

Small components present unique sourcing challenges due to their diversity, technical complexity, and the logistical challenges of managing hundreds of tiny parts. My experience has shown that consolidating these purchases with suppliers specializing in comprehensive component catalogs yields the best results.

The most efficient suppliers offer these advantages for small component sourcing:

1. Comprehensive inventory – Eliminating the need to place orders with multiple vendors
2. Component matching – Ensuring parts are specifically compatible with exact model variants
3. Bulk packaging options – Reducing per-unit costs for high-use items
4. Quality grading systems – Providing options at different price/quality points

Based on these criteria, here are my recommended suppliers for small phone components:

1. MicroParts Hub (Shenzhen) – Specializes exclusively in small components with the most comprehensive catalog covering over 95% of repair needs across all major brands. Their logically organized inventory system and bulk discounts make them ideal for high-volume repair operations.

2. Component Central (Guangzhou) – Offers exceptional technical documentation, including compatibility charts and installation guides. Their specialization in camera modules and charging assemblies ensures particularly reliable performance in these critical components.

3. RepairTech (Dongguan) – Provides the best balance of quality and price for mainstream models, with options in different quality tiers. Their testing procedures for functional components like speakers and vibration motors are particularly thorough.

4. FIZON (Shenzhen) – Excels in offering pre-tested component bundles for specific repair types, reducing the need to order individual parts separately. Their quality verification process includes actual device installation testing.

For repair businesses looking to optimize their small component sourcing, I recommend this approach:

1. Categorize by usage volume – Identify high-use components (charging ports, camera glass, etc.) that warrant bulk purchasing

2. Consolidate orders – Combine small component orders to reach minimum order values that qualify for better shipping rates

3. Standardize quality tiers – Establish clear quality expectations for different components based on their impact on device functionality

4. Request test reports – For critical components like cameras and microphones, ask suppliers for sample test reports demonstrating functionality metrics

Based on current market conditions, here’s what repair businesses should expect to pay for quality small components in 2025:

Component Type	Wholesale Price Range	Typical Markup in Repair
Charging Port	$2-8	300-500%
Front/Rear Camera	$5-25	200-400%
Earpiece Speaker	$1-5	400-600%
Vibration Motor	$2-7	300-500%
Button Assemblies	$1-4	500-800%

Small components often deliver the highest profit margins in repair operations, making reliable sourcing particularly valuable for business profitability.

What Are the Most Reputable LCD and OLED Panel Manufacturers in China?

During a factory visit last year, I observed firsthand the difference between top-tier and average manufacturing facilities. The premium factory had multiple quality checkpoints, clean room environments, and advanced calibration equipment that explained their consistently superior displays.

Leading LCD and OLED manufacturers in China include TianMa, BOE, Visionox, and ChinaStar. These manufacturers produce displays for major brands and offer wholesale channels with prices typically 20-30% lower than market rates for buyers who can meet minimum order quantities of 100-500 pieces depending on model.

Understanding the actual manufacturers behind phone displays provides significant advantages for serious buyers. While many suppliers act as intermediaries, developing direct relationships with manufacturers offers better pricing, quality assurance, and consistency between orders.

The display manufacturing landscape in China has evolved dramatically in recent years, with significant investments in advanced technology allowing Chinese manufacturers to close the gap with Korean and Japanese display giants. Based on my factory visits and industry relationships, here are the standout manufacturers:

1. BOE Technology (Beijing) – China’s largest display manufacturer, BOE now produces OLED panels for Huawei, Apple, and Samsung devices. Their advanced manufacturing facilities rival Samsung Display in technology, with particular strength in flexible OLED panels.

2. TianMa Microelectronics (Shanghai) – Specializing in mid-range LCD and AMOLED displays, TianMa has become a key supplier for numerous Android brands. Their quality control systems are particularly rigorous, resulting in exceptional consistency.

3. Visionox (Kunshan) – A pioneer in Chinese OLED technology, Visionox produces both rigid and flexible OLED displays. They’ve developed proprietary manufacturing techniques that have reduced defect rates by approximately 35% compared to industry averages.

4. ChinaStar Optoelectronics (Shenzhen) – A division of TCL Technology, ChinaStar has emerged as a leader in cost-effective display manufacturing while maintaining competitive quality standards. Their economies of scale allow for particularly attractive pricing.

For wholesale buyers looking to develop relationships with these manufacturers, it’s important to understand their business models:

1. Direct purchasing typically requires minimum orders of 300-1,000 pieces per model and established business credentials

2. Authorized distributors offer lower MOQs (100-300 pieces) while still providing factory-direct pricing and quality

3. Production overrun channels occasionally offer opportunities to purchase genuine factory displays that exceeded production requirements at 15-25% discounts

When evaluating display quality from these manufacturers, these technical specifications prove most revealing:

Specification	Premium Indicators	Why It Matters
Color Gamut	DCI-P3 >92%	Ensures accurate color reproduction
Brightness	>500 nits	Affects outdoor visibility
Contrast Ratio	>5000:1 for OLED	Creates deeper blacks and more vivid images
Touch Response	<25ms latency	Provides smoother user experience
Panel Consistency	<2 Delta-E variation	Prevents uneven coloration across the screen

By understanding the manufacturing source of display components, repair businesses and wholesalers can make more informed decisions about quality tiers and pricing expectations.

How to Verify Supplier Legitimacy and Avoid Scams?

A new repair shop owner once shared how they lost $15,000 on their first wholesale order when the "supplier" disappeared after payment. Simple verification steps could have prevented this devastating loss.

Legitimate suppliers provide business licenses, have physical facilities you can verify (via video call if not in person), offer multiple secure payment options, and have established industry presence with verifiable references. Red flags include demands for wire transfers only, unusually low prices, and reluctance to provide order samples.

After witnessing numerous scams in the mobile parts industry, I’ve developed a systematic approach to supplier verification that has helped hundreds of businesses avoid fraudulent operations. The phone parts industry is particularly susceptible to scams due to high-value orders and international transactions.

My recommended verification process includes these essential steps:

1. Business registration verification – Request the supplier’s business license (营业执照) and verify it through China’s National Enterprise Credit Information Publicity System. Legitimate companies will readily provide this documentation.

2. Physical verification – For significant orders, arrange a video call where the supplier shows their facilities. Legitimate operations have actual offices, warehouses, and staff.

3. Industry presence check – Verify the supplier’s participation in major industry exhibitions like Global Sources, HKTDC, or local phone parts exhibitions. Established suppliers regularly attend these events.

4. Sample testing protocol – Always order samples before significant purchases. Test these samples thoroughly for quality and specification matching.

5. Payment security measures – Use secure payment methods that offer buyer protection. Be extremely cautious of suppliers who only accept wire transfers or cryptocurrency.

Based on industry experience, here are the most reliable verification methods for different supplier types:

Supplier Type	Primary Verification Method	Secondary Verification
Manufacturers	On-site audit or video tour	Sample testing by third party
Wholesalers	Business registration + references	Trade show participation history
Trading Companies	Transparent supply chain documentation	Previous customer testimonials
Online Marketplaces	Escrow payment options	Detailed seller ratings history

Common scam patterns to watch for include:

1. Pressure tactics claiming limited supply or special discounts that expire immediately

2. Documentation inconsistencies where company names differ between communications, payment details, and business registrations

3. Excessive confidentiality about basic business information like physical location or ownership details

4. Price anomalies that are significantly below market rates (typically 30%+ lower than average)

In my experience, developing long-term supplier relationships is the most effective strategy for avoiding fraud while securing favorable pricing and consistent quality. Our company, FIZON, prides itself on maintaining transparent business practices and welcomes verification inquiries from potential partners.

What Makes a Phone Parts Supplier Truly Exceptional?

After evaluating hundreds of suppliers and working with dozens personally, I’ve found that price and quality are just the beginning. The suppliers that create the most value possess unique characteristics that transform them from vendors into strategic partners.

Exceptional phone parts suppliers combine consistent quality, competitive pricing, and value-added services like inventory management assistance, technical support, and warranty processing efficiency. The best suppliers become strategic partners rather than mere vendors, helping repair businesses optimize their operations beyond just parts supply.

The difference between average and exceptional suppliers often isn’t visible on a price list or product catalog. Based on my extensive industry experience, these are the qualities that separate truly exceptional suppliers from the rest:

1. Quality Consistency – Not just high quality, but consistent quality from order to order, with statistical process control and documented quality metrics

2. Transparent Communication – Proactive notification about supply challenges, price changes, or quality issues before they impact your business

3. Technical Expertise – The ability to provide model-specific technical guidance, repair documentation, and troubleshooting support

4. Inventory Management Partnership – Working with your business to optimize inventory levels, suggest stock adjustments based on repair trends, and expedite high-demand items

5. Warranty Process Efficiency – Streamlined, fair warranty processes that quickly resolve legitimate quality issues without excessive documentation or delays

6. Market Intelligence Sharing – Keeping partners informed about upcoming model releases, part availability challenges, and market trends that might affect repair businesses

7. Logistics Optimization – Finding the most cost-effective shipping methods, consolidating orders to reduce freight costs, and ensuring proper packaging to prevent damage

The most successful repair businesses I’ve worked with develop strategic relationships with a core group of 2-4 suppliers rather than constantly chasing the lowest price from an ever-changing vendor list. This approach typically results in 15-20% lower total costs when accounting for quality consistency, warranty support, and operational efficiency.

FIZON strives to exemplify these qualities through our business practices. We believe that our success is directly tied to our customers’ success, which is why we invest heavily in support systems that go beyond simply selling parts.

Conclusion

The top phone parts suppliers in China for 2025 offer more than just competitive prices. They provide quality consistency, technical expertise, verification transparency, and strategic partnership value. By developing relationships with reputable suppliers like those listed above, your repair business can secure reliable parts while minimizing risks.