Plug Valve, Sleeve Type Soft Sealing Plug Valve, Inverted Pressure Balance Lubricated Plug Valve manufacturer / supplier in China, offering Fully Jacketed Sleeved Plug Valve with Flanged Ends, Plug Valve with 904L Body and Stainless Steel Worm Gear, 904L Sleeve-Type Plug Valve, with Stainless Steel Worm Gear and so on.