Hi, Sir, We are the manufacturer and exporter of radial tyre and tube in China , Called QINGDAO HONGTYRE CO. , LTD and our tyres are certified by DOT our own brand is ROADSHINE our firm has the productivity to supply the tyres with large quantity regularly . . At present , We can supply the tyres as follows, 1200R24, 1200R20, 1100R20, 1000R20, 900R20, 11R22. 5, 12R22. 5 295/ 80R22. 5 , 315/ 80R22. 5, 385/ 65R22. 5 hope to have chance to cooperate . Our group cooperate with COOPER CHENGSHAN GROUP, We both sides invest lots of capitals into the production line and tyre moulds together . And it is the joint venture . We produce our own brand ROADSHINE, And the CHENGSHAN group produce theirs brand .