
YUAN SINE SPRING aims to be a world's leading manufacturer of custom torsion springs. YUAN SINE SPRING produces a number of different product series, including extension springs. Built with high quality materials and designed to make the most of the amazing ergonomic design, it exclusively gives users the perfect writing and drawing space. The product can be manufactured with a variety of dimensional ranges. The product of YUAN SINE SPRING has passed the accessibility test and the leakage test, which means the product is safe for users to touch on and use. Users are assured that there is no electricity leakage issue. As a mechanical part, it uses elasticity to work.
Our firm bears societal responsibilities. We continuously reduce the energy consumption of goods and substances through effective in-process energy usage.