O Ring, Rubber Seal, Silicone Gasket manufacturer / supplier in China, offering 86mm Wide Mouth Mason Jar Lid with Hole, Factory Wholesale 86mm Mpp Plastic Caps, Amazon Mason Bottle Plastic Caps with Holes, O-Ring Rubber Silicone Is Wear-Resistant, High-Pressure Resistant, High-Temperature Resistant and Oil-Resistant and so on.