Shandong Gaotian Metal Manufacturing Co., Ltd. is the company that specialize in manufacturing and exporting tyre valves and valve cores,.the company is one of the largest enterprise in tyre valve line with most complete varieties. “Gaotian” Brand tire valves and valve cores can be applied to the inner tubes、tubeless tires and rims of various types of vehicles, and the brand has been identified as a famous trademark in Shandong Province. Each year, we produce 32 series, more than 120 million sets of tire valves of 370 specifications; and 5 series, more than 120 million valve cores of 7 specifications. Moreover, our company has independent import and export rights and our products are exported to Vietnam, Argentina, Turkey, Malaysia, Russia, and some countries and regions in America and Europe and South Africa.