N/a manufacturer / supplier in China, offering Pneumatic Three-Way Ball Valve DN15-300mm 1.6, 2.5, 4.0, 6.4 MPa GB Anis JIS Wcb CF8 -60º C ~ 150º C, Pneumatic Ventilation Butterfly Valve DN50-4000mm 0.25, 0.6MPa GB Wcb/CF8 -20º C~150º C, Bidirectional Flow Hard Sealed Rotary Ball Valve DN50-500mm; Wcb/Nodular Cast Iron; ANSI/JIS/GB Standard and so on.