Zhejiang ISRI-Shuangdi Spring Co., Ltd.

We are a professional manufacturer of mechanical seals and all types of springs. Able to fill OEM requirements, we are now a specialist supplier for such companies as Shanghai Volkswagen Automobile Manufacturing Co, Minolta Industrial Limited and Burgmann Dichtungwerker GmbH & Co.Now employing over 100 personnel, we have a team of 30 specialized professors, doctors and senior engineers engaged in R&D of new products. Equipped with 2 SGI computerized graphic workstations, CAD/CAM systems, and a spring machining center, these staff regularly introduce new series in response to client feedback and market requirements. Our workshops are fitted with imported fully-automatic digital and computer-controlled spring twisting and compression machines, in addition to digitally-controlled instruments for conducting QC procedures.Having successfully developed several new products, five of our items have filled gaps in the domestic market, and one has been patented. Furthermore, we have rece... [Details]