Hangzhou Xingda Ventilation Equipment Co., Ltd. has a complete and scientific quality management system, professional production and processing as well as the ventilation installation works for one-stop service company, to undertake professional HVAC engineering, ventilation engineering, steel works, such as central air conditioning ducts. Hangzhou Xingda ventilation equipment is specialized in producing a total of duct board, spiral duct, stainless steel non-powered air ball, angle iron flanges, fittings ventilation, duct elbows, tees and reducers, flanges, aluminum outlet (diffuser, waterproof Grille, double Grille, hinges shaped Grille, Grille single, double Grille, egg format outlet, since the vertical blinds), aluminum diffuser, ABS outlet ( ABS double, ABS return air, ABS single, ABS hinges return air, & mdash; 15 outlet), fan (centrifugal fan, fire temperature exhaust fans, blowers, axial fans, boiler fan, no power hood, industrial exhaust fan), the damper (multi-leaf off valve, fire exhaust valves, exhaust port, multi-leaf delivery outlet, pressure delivery outlet, fire vents, 70 & amp; # 176; dampers, 280 & amp; # 176; anti-valve , air flow control valve, total plate valve, total plate damper, total board fire exhaust valves, stainless steel valves, gate valve, residual pressure valve, exhaust port plate, stainless steel dampers, stainless steel fire exhaust valves), axial fans, centrifugal fans, cabinet fans, quiet fan, aluminum foil insulation hose, silencers plenum, muffler and other ventilation equipment products, high quality, sophisticated materials, each of which raw materials are directly supplied directly by large manufacturers. Welcome friends to visit, guidance and business negotiation.