Company Profile Established in 2008,Fujian YDL Spring Technology Co., Ltd. is professional in the development and production of all kinds of spring more than 10 years, who achieved more than 90 invention patents and won the honor of high-tech enterprises of country, as well as science and technology enterprises of Fujian province, ect . With the ISO9001 quality management system, YDL Spring Company uses top raw materials to ensure that the products have high strength deformation resistance, fatigue resistance, high temperature resistance and long life and other characteristics. Moreover, we strictly follow on the Japanese JIS industry standard requirements, so that the products to meet the international high quality requirements. Our main production equipment are: automatic spring coiling machine, semi-automatic spring coiling machine, Stamping machine, shot blasting machine, CNC spring grinding machine, heat treatment production line and surface coating production line. Main testing equipment: CNC spring tension and compression force measuring machine, electronic hardness machine, spring fatigue testing machine and steel crystal phase analysis equipment.