History Timeline

 

Our Factory

 

Shenzhen Longze Crossborder Ecommerce Development Co., Ltd. is a specialized enterprise integrating product supply chain management, brand operations, and cross-border sales. Its parent company, Shenzhen Changyou Electronic Technology Co., Ltd., is firmly rooted in Shenzhen and specializes in the production of flexible mobile phone displays, providing the mobile phone repair industry with flexible display screens of stable and reliable quality.

The company possesses robust and consistent supply capabilities, supported by fully automated and seamlessly integrated production lines. Currently operating five fully automated lines, the facility boasts a monthly module production capacity of 500,000 units. The company has obtained certifications for relevant quality management systems, environmental management systems, and hazardous substance process management systems; furthermore, all products fully comply with RoHS standards. Guided by core values of passion, efficiency, and mutual success, our factory is committed to becoming a pioneer and leader within China's LCD display technology industry.

 

Bulk Soft OLED Screen Stock Display
Bulk Soft OLED Screen Stock Display
Cleanroom OLED Screen Quality Inspection
Cleanroom OLED Screen Quality Inspection
OLED Screen Assembly Production Workshop
OLED Screen Assembly Production Workshop
OLED Screen Bulk Inventory and Storage Area
OLED Screen Bulk Inventory and Storage Area
OLED Screen Cleanroom Production Equipment
OLED Screen Cleanroom Production Equipment
OLED Screen Production Testing Workshop
OLED Screen Production Testing Workshop

 

Our Certificate

 

The relevant manufacturing companies have obtained ISO 9001:2008 Quality Management System certification, ISO 14001:2004 Environmental Management System certification, and IECQ QC 080000:2012 Hazardous Substance Process Management System certification; all products comply with RoHS standards.

 

QQ20260630130226
IECQ QC 0800002012
QQ20260630130229
ISO 90012008
QQ20260630130222
ISO 140012004

 

Production Equipment

 

Fully automatic COG, FOG, and lamination machines, laser glass cutting machines, as well as related laboratory and R&D equipment.

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Automated material retrieval and fixture circulation
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Automatic Packaging & Sealing Machine
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Polarization biased bonding in Class 100 cleanroom
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Full screen dust-free process bonding
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Fix uneven color
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De mura Smart Calibration
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Laser alignment
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OCA cover plate can be made to fit snugly
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COG manufacturing process (2)
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COG manufacturing process
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Screen loading and positioning
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Circulation of semi-finished products
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COG binding process
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Automated bonding equipment feeding
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Automatic assembly line
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Packaging facilities

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High-Precision Screen Laminating Machine

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Panel lamination

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Packaging plastic sealing

 

our team

 

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Box packaging 

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 Cleanroom Manufacturing Facility

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 Color Test

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 Display Function Testing Process

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 finished product packaging

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Fix uneven color 

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Manual quality inspection 

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Screen Defect Detection 

 

R&D team and outdoor expansion

 

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Automated equipment assists in screen quality inspection process

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 Clean operation process

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Cleanroom screen precision testing station 

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 R&D Team

 

Shipping material picture

 

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Automatic heat shrink film packaging for outer boxes
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Batch packing
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Full box packaging
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Phone Screen Order Fulfillment
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Ready to Ship Orders
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Shipment Preparation Area

 

FAQ

Q: Can I order samples before placing a bulk order?

A: Yes.

Q: Do you offer OEM packaging services?

A: Yes, we do.

Q: What is your lead time?

A: 7–15 days.

Q: How are OLED screens tested before shipment?

A: Multiple tests are conducted prior to shipment, including checks for display quality, touch sensitivity, brightness uniformity, color performance, and dead/bright pixels, as well as inspections of ribbon cable connections and burn-in (aging) tests.

Q: Do you ship to Brazil?

A: Yes, we frequently work with Brazilian clients and arrange shipments according to their requirements.

Q: Do you ship to Mexico?

A: Yes, we frequently work with clients in Mexico, helping to arrange suitable logistics and providing support with export packaging and order documentation.

Q: Do you offer products suitable for Samsung OLED screens?

A: Yes, we do. We provide a range of models to meet customer requirements.

Q: Do you offer OLED screens for iPhone?

A: We provide a variety of OLED screens for iPhone based on customer requirements.

Q: What is the warranty period for your OLED screens?

A: Our warranty period is 12 months.

Q: Can I mix different models in a single order?

A: Yes. We support mixed-model orders, allowing customers to purchase screens for various iPhone, Samsung, or other popular mobile phone models simultaneously based on market demand.

Q: What payment methods do you accept?

A: We accept T/T, PayPal, Western Union, and Trade Assurance orders.

Q: What are the advantages of soft OLED screens?

A: 1. They accurately reproduce colors and maintain clear visibility even in bright light.
2. The screens are thin, lightweight, flexible, and durable enough to withstand bending.
3. They are more energy-efficient than LCD screens, resulting in lower power consumption.
4. Touch response is highly responsive, ensuring smooth performance without lag during daily activities like streaming videos or gaming.

 

Our Service
 

With over 10 years of practical experience in client relationship management-backed by a comprehensive after-sales support framework-we currently serve our entire client base.

(I) Pre-sales Services

1. Professional Consultation: We provide personalized, one-on-one consulting services covering product selection, technical specifications, and customization options. By aligning our recommendations with specific client requirements, we propose the most suitable display products and procurement strategies.

2. Qualification & Sample Support: We provide product samples, quality inspection reports, and relevant certification documents to help clients assess product quality and ensure compliance with regulatory standards. Additionally, we address any inquiries related to cross-border procurement processes (such as customs clearance and payment procedures).

(II) In-sales Services

1. Customization Coordination: Based on clients' OEM/ODM requirements, we act as the liaison with our production department to confirm product specifications and customization parameters. We closely monitor production progress and provide timely updates on manufacturing status.

2. Order Tracking: A dedicated specialist is assigned to manage each order, providing real-time updates on order progress and logistics status. This ensures that clients remain fully informed of their order's status at all times and facilitates the prompt resolution of any issues that may arise during order fulfillment.

(III) After-sales Services

1. Technical Support: We provide clients with technical guidance regarding product installation and operation, and offer expert assistance in resolving any issues related to screen installation, maintenance, or usage.

2. Long-term Follow-up: We conduct periodic follow-up calls with clients to monitor product performance, gather feedback, and continuously optimize our products and services-thereby fostering long-term, stable cooperative relationships.

 

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