Motorcycle Tire from Qingdao BIGBIZ tire. CO. Ltd * Professional motorcycle tire and tube manufacturer since 2003. * Cover an area of 28,000 square meters with 500 workers. * Certificate of ISO9001, CCC, E4, SNI, SONCAP, E-MARK, DOT and INMETRO. * Exporting more than 100 countries and areas all over the world. * Annual output is more than 30 million US DOLLAR.