Butterfly Valve, Centrifugal Pump, Sanitary Valve manufacturer / supplier in China, offering SS304/SS316L Three-Pieces Ball Valve Both Sides Flange Manual Kf16/Kf25/Kf40/Kf50 High Vacuum Nw25/Nw40, High Quality Female/Male Cap/Plug SS304/Stainless Steel Vacuum Leak Test Port 1/8"-1" VCR-Fitting, CF Six-Way Cube Chamber SS304/SS316L/Stainless Steel CF16-CF200 Pipe-Fitting Ultra High-Vacuum Flanges Cube and so on.