LINK-PP International Technology Co., Limited, founded in 1997, is a vertically integrated manufacturer specializing in Ethernet magnetic components and high-speed connectivity solutions up to 10G. With over 26 years of experience, our core products include RJ45 modular jacks, MagJacks, discrete magnetics, LAN transformers, SFP/QSFP optical transceivers, and SFP/SFP+ cages and receptacles.
LINK-PP operates in-house stamping, injection molding, and automated assembly facilities, supported by approximately 600 employees and advanced production equipment. With annual sales of USD 30–50 million, we serve global OEMs and CEMs across telecommunications, networking, IoT, industrial, medical, and security markets, delivering reliable standard and customized interconnect solutions worldwide.
Products are applied in: Telecommunications, Networking, IoT, Data Centers, Industrial Control & I/O, Medical Electronics, Security & Surveillance, and Military systems.
Typical end devices include: network cards, hubs, routers, switches, embedded motherboards, optical terminals, VoIP gateways, PoE repeaters, webcams and storage devices.
At LINK-PP, we go beyond manufacturing. We deliver a complete, reliable service experience designed to support our customers from product selection to mass production and global delivery.
1. High-Quality Products
With over 26 years of industry experience, LINK-PP provides reliable magnetic and connectivity components engineered for performance, stability, and long-term durability.
2. Stable Supply & Inventory Support
A well-managed inventory system with millions of standard parts in stock enables fast response and reduced lead times for urgent and repeat orders.
3. High-Capacity & Fast Delivery
Backed by large-scale automated production, LINK-PP supports high-volume orders with stable output and efficient delivery schedules.
4. Free Samples
Standard products are available with free samples for evaluation (customized items excluded), helping customers validate designs with minimal risk.
5. Professional Technical Support
Our experienced engineering and sales teams provide one-to-one technical guidance, from product selection to application support.
6. OEM / ODM Capabilities
LINK-PP offers mature OEM and ODM services, including laser marking, private labeling, and customized packaging, supporting global brands and contract manufacturers.
7. Flexible Customization Options
We support minor customization (logos, labels, packaging), design-based customization, sample-based customization, and full custom development for project-specific needs.
8. Global Logistics & Warehouse Planning
LINK-PP is continuously expanding its global warehouse and logistics network to improve delivery speed and service responsiveness worldwide.
Choose LINK-PP for dependable quality, efficient manufacturing, and long-term technical partnership in Ethernet magnetics and connectivity solutions.
▶ 1997 – Established in Shenzhen, China; began development and production of discrete magnetic transformers.
▶ 1998 – Successfully developed and launched integrated magnetic RJ45 connectors (THT & SMD).
▶ 2003 – Set up dedicated RJ45 connector production lines in Hubei Province.
▶ 2011 – Established magnetic transformer production facilities in Sichuan Province.
▶ 2012 – Relocated corporate headquarters to Huizhou, Guangdong Province.
▶ 2016 – Expanded manufacturing capabilities with new production lines for optical transceivers and fiber cages.
▶ 2025 – Completed a 100,000 m² science and technology industrial park on a 30,000 m² site in Huizhou, Guangdong, significantly enhancing large-scale and automated manufacturing capacity.
LINK-PP is supported by a professional team of approximately 520 employees, including around 350 skilled production workers, 30 R&D engineers, 20 quality specialists, 60 international sales professionals, and 40+ administrative and support staff. This balanced team structure enables efficient collaboration across product development, mass production, quality control, and global customer support.
Backed by strong manufacturing capabilities, LINK-PP achieves a monthly production capacity of up to 50 million RJ45 connectors, 6 million LAN transformers, 1 million SFP/QSFP modules, and 30 million SFP cages, generating annual sales of USD 30–50 million. This experienced team ensures stable supply, consistent quality, and reliable delivery for global OEM and CEM customers.
LINK-PP operates a comprehensive in-house manufacturing system covering metal stamping, injection molding, automated assembly, and manual assembly processes to ensure stable quality and high-volume output.
The factory is equipped with 60 stamping machines in the stamping workshop, 56 injection molding machines in the injection workshop, 160 semi-automatic and fully automatic machines in the automated assembly workshop, and 36 manual assembly lines supporting flexible and customized production.
With this integrated production infrastructure, LINK-PP achieves a strong monthly production capacity of up to 50 million RJ45 connectors, 6 million LAN transformers, 1 million SFP/QSFP modules, and 30 million SFP cages, enabling reliable supply for both standard and customized orders worldwide.
Explore LINK-PP’s diverse OEM/ODM services designed to meet your customization needs:
1. Minor Customization:
Personalize with custom logos, packaging, or graphics.
2. Design-Based Customization:
Leverage support for customization based on your design drawings.
3. Sample-Based Customization:
Benefit from flexibility, customizing based on provided samples.
4. Full Customization:
Unlock limitless possibilities with customization based on specific requirement descriptions.
LINK-PP is not only the preferred supplier of TI (Texas Instruments), but also favored by Intel. Its MinnowBoard MAX uses LINK-PP Magnetic Rj45 LPJG16314A4NL.
LINK-PP's R&D capabilities are at the forefront of the industry and continue to promote technological progress in the field of Network Connectivity and Transmission Components. Our R&D team is made up of experienced professionals who are passionate about pushing boundaries.
Our R&D endeavors encompass:
1. Cutting-edge Technology: Our team continuously explores emerging materials and advanced manufacturing processes.
2. Superior Product Design: Combine innovation with functionality to customize Integrated RJ45 Connectors and SFP Modules to match your project
3. Quality Assurance: All Optics Transceivers and Lan Transformers comply with industry standards and undergo rigorous testing.
4. Collaborative Innovation: LINK-PP fosters a culture of collaborative innovation. Our R&D personnel work with customer project engineers to promote product technology innovation.
For sales and design inquiries, contact Mr. Summer Ming, your bridge between the Sales and Engineering Departments. His business card is below, ready to assist with all your requirements and services.
LINK-PP's Commitment to Quality: Precision Testing for Superior Connectivity
LINK-PP has strict quality control measures. Our main product categories, including Integrated RJ45 Connectors, Optic Transceivers (SFP Modules), Fiber Optic Cages & Connectors, and LAN Transformers, undergo meticulous testing to ensure optimal performance.
Test Equipment:
1. Precision Magnetic Component Analyzer:
Utilized for in-depth analysis of magnetic components, ensuring precision and reliability.
2. LCR Bridge:
Facilitates accurate measurement of inductance (L), capacitance (C), and resistance (R) for comprehensive testing.
3. LAN Analysis Instrument:
Specialized used to analyze and verify LAN network component functionality.
4. Pressurization Tester:
Ensure the durability of our products under different pressure conditions.
5. General-purpose Tester:
Versatile testing equipment to evaluate the overall performance and functionality of our components.
6. LED Tester:
Test the accuracy of the LED component's judgment of the connection status.
