My company SHANDONG HIMILE VALVE CO., LTD,is one of himile subsidiaries.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 cores .we have passed the qulification of ISO9001:2000 as the product safety qualification. We are the largest single variety valve core manufacture in the world.