Roadage’s brake system components are mainly for heavy duty trucks and trailers in European, American, African, Japanese and South Korean markets.Among all the products,manual & automatic slack adjusters,brake chambers,s-camshafts and hardware kits are our leading products for exporting to countries all over the world. Roadage is always making its effort to carry out quality of products as well as the management.Along with the certificate of ISO9001 in 2000,Roadage also consummated the certificate of TS16949 issued by the TUV of Germany.