silica gel tubesilicon rubber or plastic ringssilicon cushionproduct through SGS, FDA, UL and domestic food, thermostable performance authentication. Uses the high quality high polymer material which the performance varies, the manufacture suits in each kind of situation (oil resistant, bears the chemical mediator, to bear high (low) warm, bears various types rubber products which aging and so on) uses. 1st, the general product has the rubber packing, the plain washer, the antirattler, the oil resistant O circle, the Y circle, V. 2nd, bears the high low temperature silica gel product, like decorative lighting protective covering, medical thing, food industry rubber products; Bears the strong chemical mediator fluorine rubber product, bears burns the product; The low friction oak models the combination full-pressure system. 3rd, belt metal skeleton rubber products, 4, electric conduction silica gel product. 5th, bears the aging, bears the ozone and bears the acid and alkali second grade third product.