-
API 7-1 Valves Ụdọ Mmiri
Ngwunye eriri valvụ na-akwụsị mmiri ka ọ na-agbago elu eriri egwu ahụ mgbe mgbe ma ọ bụrụ na ọkpọ ahụ na-agbapụ na ntakịrị ala ala.LANDRILL nwere ike ịnye àgwà kachasị mma Full oghere nchekwa valve (FOSV), Kelly valve, Inside blowout preventer (IBOP), Drop-in check valve , Float valvụ.
Ime ụlọ 703 Building B, Greenland center, Hi-tech development zone Xi'an, China
86-13609153141
