TRUST Industrial Machinery Company is a professional China Sirit TYPE air brake fitting Manufacturers and China INSTANT BRAKING SYSTEM FITTINGS,,Dot Air Brake brass Fittings suppliers,our factory which manufacture brass fittings, stainless steel fittings and air brake hose assemblies (AIR BRAKE HOSE ASSEMBLIES). It adopts full CNC machining and has a factory area of 3,800 square meters. 58 automatic machine tools, 35 semi-automatic CNC machines, 5 sets of testing equipment, annual production of various brass fittings,Air Brake Hose Assemblies,stainless steel fittings, air brake hose assembly of 4,500,000 sets / each