YangZhou DONVA electronic Spring Co.,Ltd ,is located in PingShan Road ,JiangYang Industrial Park, YangZhou City,JiangSu province ,P.R China.YangZhou DONVA electronic Spring Co.,Ltd is one of the largest spring manufactory in South China. Specifically, the main products include compression springs, extension springs, heavy duty extension springs & precise extension springs, power springs, heavy duty torsion springs, precise torsion springs, wire forming and metal stamping products We specialize in producing many kinds of compression springs, diversiform springs, extension springs, and torsion springs within diameter of 0.1mm - 10mm. We also can supply many kinds of springs as per clients&＃39; requests. We have passed ISO9001 quality management system. With the development of technology, we always stick to the principle of people-oriented. Our products have been exported to the markets worldwide and get a good reputation from our clients. Holding the tenet of "reputation is paramount and customers are supreme", we will send our best products and service aboard for old friends and new ones with the advanced management and technology. At the same time, we are glad to receive your direct information, and appointed orders, and you are welcome to visit our factory.