Profile: Zhejiang Success Rubber & Plastics Metal Limited produces O ring kits, hardware tool kits, fashion kits and metal parts. Our spring line includes stainless springs, pull springs, pression springs and sheet springs. Our silicone items include O ring cords, gaskets, seals, O ring boxes and O ring kits. We serve industries, such as the computer, watch, house, petroleum, chemical industry, electrical power, metallurgy, automobiles, ship building, food, paper, mining, steel and pharmacy.