... cock 1) stainless steel,copper,ron 2) semi-ball cock, cutout cock, ball core cock, anti-stone cock 3) train,railway ... : stainless steel,copper,ron or as demand2) semi-ball cock, cutout cock, ball core cock, anti-stone cock3) train, railway, locomotive4 ... , such as ball cock, anti-stone cock,ball core cock, cutout cock, copper valve, iron valve,stainless steel valve, machining parts ...