氧气截止阀YJ41W-10P

氧气截止阀YJ41W-10T

衬氟法兰截止阀J41F46-10C

低温截止阀DJ41W-10P

不锈钢角式截止阀J44W-10P

角式截止阀J44H-10C

法兰截止阀J41H-10C

铸钢截止阀J41H-10C

不锈钢截止阀J41W-40P

波纹管截止阀WJ41W-16C 法兰波纹管截止阀WJ41W-16C

美标波纹管截止阀WJ41H-16C 波纹管截止阀WJ41H-16C

角式波纹管截止阀WJ44Y-16C 波纹管截止阀WJ44Y-16C

国标波纹管截止阀WJ41H-16C 波纹管截止阀WJ41H-16C

德标波纹管截止阀WJ41H-16C 德标截止阀WJ41H-16C

法兰液化气截止阀J41N-16C 液化气法兰截止阀J41N-16C