Kavei Tech is the largest base of demonstration for R&D and making of Radial Tires for commercial vehicle in western China with its global brand named COPARTNER. Kalevei Tech started its construction with high level and introduced current leading international technology and manufacturing, testinbg equipments. Recruited first class marketing , management and technical talents, has established a perfect quality management and marketing, service syetem; It has been issued tht certificates of ISO/TS16949 on quality control, of GB/T24001 on environment, of GB/T28001 on occupational health and safety, as well as of China Compulsory Certification(CCC), of USA DOT, of European ECE, of REACH and S-MARK on environmental protection and noise, and obtained independent import and export license. We also do OEM for other tire companies from Shandong and other Eastern provinces of China. We can supply TBR sizes: 245/70R19.5-14/16, 295/80R22.5-18, 315/80R22.5-20, 385/65R22.5-20, 425/65R22.5-18/20 , 7.50R16-14, 8.25R16-16, 8.25R20-16, 9.00R20-16, 10.00R20-18, 11R22.5-16, 11.00R20-18, 11R24.5-16, 12.00R20-18, 12R22.5-20 and etc.