A&S Tire Co. Ltd. Chengdu, Sichuan, China. Basic Member. Since Sep, 2014. A&S Tire Co.,LTD is a leading tire exporter and supplier based in Chengdu, China. Building on more than 7 years of experience, A&S Tire Co.,LTD is dedicated to providing a complete line of tires with the best technology, service and value available.