N/a manufacturer / supplier in China, offering Worm Wheel Rubber Alloy Stainless Steel Carbon Steel Eccentric Clamping Lug Sealing Flange Double Wear-Resistant Electro-Pneumatic Signal Welding Fluorine-Lined, Double Eccentric Wear-Resistant Process of Manual Worm Gear Hard Sealing Flange Butterfly Valve Is Used for Aquaculture Oil, Manual Butterfly Valve with Rubber Sealing Flange Used in Water Industry and so on.