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About Precision Hardware - Precision Spring Solutions Provider

Dongguan Lihong Hardware Co., Ltd. was established in 2003 in Xiagang District,Changan Town, Dongguan City. In 2011, due to the expansion of production scale, the company relocated to the Fourth Industrial Area, Yangwu, Dalingshan Town, Dongguan City.It is a domestically funded enterprise specializing in the production of various precision springs and metal clips, covering an area of about 5000 square meters..

The company boasts a range of advanced automated spring and metal clip production equipment, including computer numerical control universal forming machines, precision compression spring machines, and various tonnage CNC stamping equipment. We produce compression springs, extension springs, torsion springs, shaped springs, and various structural metal clips. These products are widely used in toys, household appliances, office equipment, machinery, electronics, digital devices, automobiles, medical devices, and communication products. Our monthly production capacity can reach 100 million pieces.

We adhere to the GB and JIS standards in the spring and metal clip industry and have several product design and development personnel with over 20 years of experience. Our team can fully cooperate with customers in product design, providing spring and metal clip proposals, optimizing design schemes, and ensuring the manufacturability, practicality, effectiveness, and cost-effectiveness of the products, thereby enhancing the competitiveness of customers' products.

In 2012, the company obtained ISO9001 quality management system certification, and in 2022, it received the IATF16949 automotive quality management system certification. We have various testing equipment for measuring dimensions, tensile strength, torsion, hardness, and other characteristics.

We earn our customers' trust through advanced production and testing equipment, excellent technology, professional design, and high-quality service. We always adhere to the goal of "creating precision quality, providing satisfactory service." We firmly believe that our products can withstand any scrutiny from our customers!We sincerely look forward to working with you to create a better future together!

  • Vision

    Dedication, innovation, pursuit of excellence, sustainable development and growth, so that the application of Tyco Hanze high-quality products in a broader world.

  • Enterprise Purpose

    Responsible to customers and employees, do R&D, production, sales and service in one of the high-tech private enterprises; strive for development with excellent quality, and expand the market with sincere service.

  • Enterprise Mission

    Committed to energy conservation and consumption reduction, green environmental protection, excellence of social responsibility, the application of the latest technology to improve the quality of life of the public.

  • Custom Service

    We provide customers with the most professional customized product services. Our experienced sales staff will listen and suggest the best spring-loaded contact pins and connector that suits your size, shape, spec, and design. In addition, we monitor overall to ensure process quality.

  • Management Idea

    People-oriented, realistic and innovative, and strive for excellence.

  • Quality Policy

    Pomagtor has established a complete quality management organization structure. We ensure products comply with customer requirements. In terms of incoming material quality control, process management, and product quality inspection, we always insist on quality production.

Precision Manufacturing And Equipment Development Capabilities

As a leading precision spring manufacturer, LH Hardware Company possesses comprehensive wire forming processing equipment, a complete technological system, and full-set testing solutions. The company is equipped with advanced precision spring processing and automated testing equipment, and has established mature production processes and quality control software systems. Core equipment includes:

Precision Spring Processing Equipment:

Multi-axis CNC Spring Coiling Machines - Precision coiling for various springs
Universal Wire Forming Spring Machines - Complex wire shape processing
Automatic Spring Grinding Machines - Precision grinding of spring ends

Support and Quality Inspection Equipment:

Heat Treatment Equipment - Quenching and tempering for properties
Spring Testing Equipment - Force, fatigue, and torque testing
Intelligent Inspection Systems - Automated vision and laser inspection

Production Process

LH Hardware Co., Ltd. specializes in the manufacturing of precision springs. With extensive experience and a fully automated production line for specific components, we are capable of meeting customers' highest production demands. Our main workshops include:

​Spring Workshop - Spring coiling and forming
​Heat Treatment Workshop - Quenching and tempering for enhanced properties
​Stamping Workshop - Forming spring ends and special structures
Mould workshop - Producing precision molds for custom samples
​Packaging Workshop - Anti-rust treatment and packaging
​Inspection Workshop - Comprehensive quality testing and inspection


  • Laboratory

  • Measuring Room

  • Warehouse

  • lmported lathes from Japan

  • Patent wall

  • Office environment

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