... 4)Certifications :DOT,ECE,ISO, WHAT WE HAVE:1. 20 Years Trading Experience2. First class Chinese ... winter)Advantage1.Fuel consumption 6-12% lower,mileage 50-100% higher2.Start-up time 15% lower, ... tube,bladder,bead wire manufacturing ,international trading ,new products research and development ,and estate development . ... bias tires,2.0 million wheels and 1.5 million tubes.The group its own TBR brands ...