The high-quality products of Roadage mainly include :manual & automatic slack adjusters for European ,American ,Japanese and South Korean market ;brake s-camshafts and repair kits ;spring brake chambers ;brake shoe assemblies and repair kits ;air brake valves; quick release valve assemblies; quick couplings assemblies; high-strength bolts and nuts, holders nylon washer chains ,etc, nearly one thousand sorts and more than a dozen of series. mainly apply for: BPW, VOLVO, YORK, SCANIA, TRAILOR, ROR SAF, FREHAUF, MERCEDES, MAN, ZF, DAF, RENAUT, RABA, NEOPLAN, TEC, SMB, RVI, BENDIX, MERITOR, SPICER, EATON, UNIVERSAL, WAGNER, HENDRICKSON, DEXTER, MACK, HINO, NISSAN, MITSUBISHI, ISUZU and so on.