Zhuji huibang science and technique com,.Ltd is located in ruanshi town , Zhuji City, Zhejiang Province. We specialize in the research, development, design, manufacture of heavy duty trucks and trailers control system accessories , Our products including handle control valve, foot brake valve ,spring brake champer, delay control valve ,trailer control valve Unloader valve, clutch booster, manual slack adjuster ,auto slack adjuster ,air pump and so on. Which widely used on many type of motorcycle of the world , such as HALDEX, BENDIX, DAF, SCANIA,MAN,BENZ,KAMAS,MAZ,BPW,FRUHAUF,SAF,LLASA,Kaessbohrer ,Rockwell,Propar,Mark,Frenelsa,Meritor, VOLVO ,MAN,HINO, SINOTRUCK. and other truck ,trailer ,tractor .Our products in good quality, competitive prices and excellent services, At present have won a good reputation among customers at home and abroad. Sincerely hope we can cooperate in times to come.