Dongguan Pinbang Precision Spring Co., Ltd. has been deeply involved in the precision spring and spring leaf industry for over 20 years. It is a specialized, refined, unique, and innovative enterprise that focuses on the research, development, production, and sales of related products. Initially, the company provided OEM services for Japanese enterprises. In 2016, it underwent a strategic transformation and delved deeply into the domestic and international high-end market, growing from a residential OEM service provider to a benchmark enterprise in high-precision manufacturing within the industry.

Our core business encompasses mechanical components such as compression springs, torsion springs, extension springs, wire springs, and shrapnel. Our product specifications range from 0.015 to 15 millimeters, with a tolerance accuracy controlled at ±0.001 millimeters. Our products are widely used in automotive, medical lifesaving, precision electronics, and electrical appliances. Our customer base includes high-end enterprises both domestically and internationally, including leading automotive and medical companies as well as customers in the chip testing field. Our products are exported to Southeast Asia, Japan, South Korea, and other regions.

The company has successfully developed a 0.03mm precision spring for chip testing customers, replacing imported products and solving customers’ import procurement difficulties. The company has complete qualifications, with 23 patents and 3 administrative licenses, and has passed certifications such as IATF16949, 13485 medical system, SGS, and RoHS. In 2021, it was awarded the title of National High-tech Enterprise. In 2025, it was featured on the “Credit China” column, and in 2026, it was recognized as a National Specialized, Fine, Unique, and Innovative Enterprise.

The repurchase rate of overseas customers exceeds 95%, and the domestic market share stands at 80%. Over 100 imported equipment have been introduced to establish a digital production line. Leveraging patented technology, the company addresses pain points such as poor equipment versatility. With a full-process traceability system and customized solutions, it meets customers’ core needs regarding insufficient precision, unstable supply, and high import costs, earning widespread market recognition.