Sinoriver Group Co, .Ltd, was established and located in Qingdao, Shandong Province, which is one of the biggest tire producing base of China in 1993. we are a leading manufacturer in producing various types of tire over 15 years.The business philosophy of Sinoriver is Ã�âïÿýïÿýquality first, customer supremacy, brand creation and professional innovationÃ�âïÿýïÿý. Ã�ãïÿýïÿýÃ�ãïÿýïÿýOur major products include PCR, TBR, OTR, Steel Wheels and Alloy Wheels. Most of our products have obtained qualification certificates of ECE, DOT, INMETRO and ISO quality certificates and enjoy high reputation among our current customers. Ã�ãïÿýïÿýÃ�ãïÿýïÿýBecause of the high qulity and the good reputation, our products sale in over 20 domestic region.Moreover, with const