... valve1.Our products are 100% tested and are made of only the highest quality materials2.Our factory is one ... of top leading manufacturers in China.3.the other term ... are the factory specialized in tire valve.our main type of tire valve are TR618,TR416,v3.20.6,v3.20 ... .2H3,V3.20.6H,TR570 and so on. Of course ,like TR413,TR414,we all provide.If you ...