China, API 609, Metal to Metal, Seat, Triple Offset, Eccentric, Butterfly Valve, Welded, Wafer, Lugged, Flanged, Production, factory, price, Caron Steel, Igwe anaghị agba nchara, A216 WCB, WC6, WC9, A352 LCB, A351 CF8, CF8M, CF3, CF3M, A995 4A, A995 5A, A995 6A.Nrụgide sitere na klaasị 150LB ruo 2500LB.