... ,environment protected,not include the Pb.Huajian angle valve is in brilliant quanlity,acid-resisting,alkali-resisting,it ... tap water can be drank directly,the angle valve becomes stainless steel step by step.With people ... is inside joint, it needs angle valve to connect. B. Angle valve is the part to bear the ... has some problems,you can close the angle valve in time,to prevent the serious loss.Factory ...