For smartphone repair parts buyers, choosing a Soft OLED supplier requires more than comparing prices. Panel specifications, display and touch performance, quality control, model coverage, production consistency, and warranty terms all affect long-term purchasing.
This article covers 10 Chinese companies offering or manufacturing Soft OLED replacement screens for smartphone repair parts. The companies are not ranked. Each is reviewed from a practical B2B purchasing perspective.

Shenzhen Longze Crossborder Ecommerce Development Co., Ltd.
Shenzhen Longze Crossborder Ecommerce Development Co., Ltd. focuses on Soft OLED replacement screens for iPhone and Samsung smartphones, serving distributors, repair businesses, refurbishment companies, and other smartphone repair-parts buyers.
For selected iPhone models, Longze uses Huaxing LTPO Soft OLED panels, supporting adaptive refresh rates of up to 120Hz. Selected Soft OLED screens also support True Tone, no IC transfer, and different flex-cable options, depending on the model and product configuration.
Longze reports a monthly shipment capacity of approximately 500,000 units and serves customers in more than 40 countries and regions. Its production process covers key display assembly and bonding processes, supporting both regular wholesale orders and recurring bulk purchases.
Quality Control
Display Test: Checks pixels, dark spots, lines, and display abnormalities.
Touch Test: Checks center, edge, and corner touch response.
Brightness & Color Test: Checks display consistency.
Connection Test: Verifies display and touch signals.
Final Inspection: Checks the OLED, flex cable, connector, and finished assembly.

Bulk Supply and Repeat Orders
Longze supports bulk sourcing across multiple iPhone and Samsung Soft OLED models. Buyers can approve samples and specifications before moving to repeat orders, using the approved sample as the quality reference for future batches.
OEM & Private Label
OEM options include logo, labels, packaging, and selected product configurations, including available flex-cable options.
Warranty & After-Sales Support
Before bulk purchasing, buyers should confirm the warranty period, defective-product criteria, evidence requirements, exclusions, inspection process, and replacement or credit terms for the specific model.

Shenzhen Kelai Intelligent Display Co., Ltd. (JK)
Shenzhen Kelai Intelligent Display Co., Ltd., known as JK, offers smartphone replacement displays including Soft OLED screens for newer iPhone models. Its product range includes products such as the iPhone 17 Pro Max 120Hz Soft OLED display.
JK operates production bases in Nanchang, Daya Bay, and Shenzhen, giving it a multi-base manufacturing structure. This may be relevant to buyers prioritizing newer iPhone models and diversified production locations.

Shenzhen Hong Sheng Tong Photoelectric Co., Ltd. (JH Screen)
JH Screen offers Soft OLED replacement displays for multiple iPhone generations.
Its published production process includes Display Test, Touch Test, AOI inspection, manual double-checking, functional testing, and 100% inspection. JH Screen is therefore worth considering for buyers who place particular importance on inspection procedures and QC visibility.

DD OLED
DD OLED focuses on aftermarket iPhone replacement screens, including Soft OLED products for the iPhone 13, 13 Pro, 13 Pro Max, and 14 Pro.
Its portfolio includes Diagnosable Soft OLED products with features such as diagnostic functionality, True Tone support, and no IC transfer on applicable models. Its main distinction is its focus on diagnosable Soft OLED solutions.

RJ / Ruiju
RJ / Ruiju offers aftermarket Soft OLED replacement screens for iPhone models, including products such as the iPhone 14 Pro Max Soft OLED display.
Its product range is primarily focused on aftermarket iPhone replacement screens, making it relevant for buyers sourcing specific iPhone Soft OLED models for repair and replacement applications.

REPART
REPART offers Soft OLED replacement screens through product lines including Prime Soft OLED and Ultra Soft OLED.
Its catalog covers multiple iPhone generations, with selected products offering True Tone, 3D Touch, high brightness, and 120Hz support. Its differentiated product lines give distributors more options when balancing product specifications and target price points.
BenleyTech
BenleyTech offers Flexible OLED, or Soft OLED, replacement screens for iPhone models in the aftermarket repair market.
Its product pages provide detailed SKU-level specifications, including resolution, brightness, 3D Touch, True Tone, FPC connectors, G+F technology, and frame construction. This makes BenleyTech relevant to buyers who want to compare technical specifications at the individual SKU level before requesting samples or quotations.

Shenzhen GX Technology Co., Ltd.
Shenzhen GX Technology Co., Ltd. offers OLED replacement screens for iPhone models, including both Soft OLED and Hard OLED products.
Its catalog covers multiple iPhone models, providing buyers with different OLED replacement options within its product portfolio. GX may be relevant to buyers looking for an established iPhone OLED replacement-screen range.

Shenzhen HiSpider Telecom Technology Co., Ltd.
HiSpider manufactures smartphone replacement displays and operates dedicated production lines for OLED products.
The company reports nine mobile-phone screen assembly lines, including three lines for Hard and Soft OLED, with a stated total production capacity of approximately 1 million mobile-phone screens per month. It also provides OEM/ODM services, making HiSpider relevant to buyers prioritizing production scale and recurring supply capacity.

Shenzhen Jingzhimei Technology Co., Ltd.
Shenzhen Jingzhimei Technology Co., Ltd. focuses on R&D and manufacturing of flexible OLED display modules.
The company states that it works with panel suppliers including Tianma and BOE and provides flexible OLED development, manufacturing, and customization services. Its manufacturing information lists a stated capacity of approximately 10,000 units per day.
For buyers looking beyond standard replacement screens, Jingzhimei is particularly relevant for flexible OLED development and customization.
Final Thoughts: How to Choose a Soft OLED Manufacturer
Choosing a Soft OLED manufacturer should ultimately come down to what your business needs most, rather than simply choosing the manufacturer with the lowest price. Based on the suppliers reviewed above, buyers can narrow down their options according to their specific sourcing priorities:
iPhone model coverage → Start with Longze, JH Screen, RJ, GX, and BenleyTech.
Detailed product specifications → Compare BenleyTech, Longze, and REPART.
Multi-brand supply → Consider Longze and HiSpider.
OEM / private-label support → Consider Longze, HiSpider, and Jingzhimei.
QC transparency → Look closely at Longze, JH Screen, and Jingzhimei.
High-specification Soft OLED features → Compare Longze and REPART.
Diagnosable Soft OLED → Consider DD OLED.
Large-volume supply → Compare Longze and HiSpider.
Flexible OLED customization → Evaluate Jingzhimei and Longze.
FAQ
Q: How do I compare Soft OLED manufacturers in China?
A: Compare manufacturers based on Soft OLED product coverage, panel sources, technical specifications, production capability, QC transparency, customization options, and supply stability. Price should only be compared after confirming that the product specifications are equivalent.
Q: Why do prices vary between Soft OLED screens for the same iPhone model?
A: Price differences can come from the OLED panel source, display specifications, refresh-rate support, touch performance, frame construction, flex cable, product grade, and QC requirements. Two screens listed as Soft OLED may therefore have different costs and performance.
Q: What information should I provide when requesting a Soft OLED quotation?
A: Provide the phone model, exact screen version, required OLED type, estimated quantity, target specifications, branding requirements, and destination market. More specific information allows manufacturers to provide a more accurate quotation.
Q: How can buyers reduce quality differences between batches?
A: Use an approved sample and written product specification as the purchasing reference. For repeat orders, keep the same product definition and acceptance criteria instead of evaluating each shipment only by appearance.
Q: What is the best way to start working with a Soft OLED manufacturer?
A: Start with a sample or small trial order, evaluate the product against your requirements, and establish clear specifications before increasing order volume. This creates a practical quality reference for long-term cooperation.



