We are a manufacturer of pneumatic brake valves for heavy-duty transportation equipment, products made here are unloader valves, relay valves, hand brake valves. Foot brake valves, load sensing valves. Brake chambers, trailer control valves and so on. We can also make products according to the special requirement of customers. with many years experience on vavle-making. The quality are very good and the international quality system are carried out during the processing. We are willing to establish business relationship with you esteemed company.