Spring owns various kinds of professional equipments like compression molding machine, vacuum compression molding machine, injection molding machine, extrusion machine of different sizes and models as well as punch presses. Our products mainly include rubber stopper and cap, gasket, tube, sealing element, shock absorber, as well as various profile extrusion plastic parts. The rubber materials mainly cover silica gel, viton, butadiene-acrylonitrile rubber, ethylene-propylene diene copolymer, neoprene, natural gum, butadiene-styrene rubber, butyl rubber and the like. Plastic materials comprise nylon, makrolan, daicel, high-low pressure polyethylene, ABS, PVC and thermoplastic elastomers TPE and TPR.