G.S. High-Techer Co., Ltd. have vast experience in manufacture of pipe joint products and ship\'s fitting such as Convex type Sliding Expansion Joint, Bellow & Rubber Joints, Flexible Multiplex Pipe Couplings, Air Vent Heads, Repair Clamps, Plugs supports ...

Qingdao High Peak Hardware Company is professional manufacturer and exporter of all kinds marine valves, air vent heads piping accessories. Our valves are in accordance with JIS GB, CB, CBM, JLC standard, can be extensively used marine. With the nominal ...

Qingdao ST Marine Valve Co.,ltd produce many standard(JIS DIN) marine valves and air vent heads,including globe valve,angle check valve,storm valve,butterfly valve,JIS KS91A-121.Our goods are with high quolity but low price.We export them to ...