This inner tube valves quality in line with European standards, and ... of tire valves,tyre valves,auto tire valves,and inner tube valves.The following are our main valves: TR412, ... TR413AC,TR414AC,TR418AC V3.20.1,V3.20.4,V3.20.6 PVR30,PVR30,VAMD161,TR4,TR1 TR500,TR501,TR570 ... to customer's drawings or samples(3)competitive price,superior quality,best serviceWe are always here for you! inner tube valves