1.The qulification of ISO9001:2000 and the safety qulification. 2.Products can be made caaording to customer's requirements. 1. The main products of our company are: Bicycle valves, motorcycle valves, light truck and passenger car valves, bus and heavy-duty truck valves, Off-The-Road (OTR) Valves, tyre valve cores, air conditioner valve cores, liquified gas valve cores and other special valve ...