QINGDAO QJ INDUSTRIAL INC., located in Shandong Province, established in 2005; Specialized in sales and service of truck tires, p assenger car tires and Off-The-Road tires, we are stepping towards the professional tire solutions provider. Our associated factory has obtained qualification of ISO/ TS16949, DOT, E4, GCC certificates. Our leading brand - DOUBLE ROAD tires have also passed the Third- Party Inspection Services, like SGS, Intertek, CIQ. We spare no effort to develop world level tires and add DOUBLE ROAD brand values. Nowadays DOUBLE ROAD tires are well appreciated by all of purchasers within our sales network over 100 countries, such as Middle East, South East of Asia, Africa, Russia, North America and Latin America. Our new car tire brand - DOUBLE STONE, is certified by E4, INMETRO, GSO, etc.