About Yinsh Precision


Yinsh Precision Industrial Co., Ltd. was originally a family-based processing plant which produced precision component parts. It was founded in 1989 by Mr. Guo-hua Lin, the President of the company.

With changes in time, trends and needs of the machinery industry in Taiwan, General Manager You-chong Wu and Deputy General Manager You-jie Wu, joined the operational decision making team. Yinsh has developed product strategies to deliver “Sustainability, Growth, Excellence, and Sincerity”.

In addition, our development of new products is always in line with the market trends and our customers’ needs.

Yinsh has earned the approval and recognition of large-scale companies around the world, and has achieved the objective of market expansion.


Business Philosophy

Yinsh upholds the business philosophy of “sustainability, growth, excellence, and sincerity”, and is continually developing.

We use high precision manufacturing equipment to improve every detail of the production process, as well as being the first to establish a Precision Locknuts R&D and Testing Lab.


Moreover, we are constantly enhancing the quality of our products and the service we offer our customers.

The high value our products offer means that we can easily compete with global competitors, and remain the number one supplier of high precision locknuts in Taiwan.