Qingdao Keystone Rubber and Plastic Products Co., Ltd., one special tyre manufacturer focused on honesty, quality and service. KEYSTONE TYRE is the fastest growing manufacturer of motorcycle tyres in Qingdao city and offer products in many other categories as well. We have 15 years of experience in tyre field. As a main tyre factory. Our tenet is "Summon Up Chinese Tyres Industry". We persist on mutural benefit, and have established business with more than 40 countries.