Sheet Metal, Machining Metal Parts, Sheet Metal Fabrication manufacturer / supplier in China, offering Hualei Customized Industrial Machinery Heat Pump Air Conditioner Sheet Metal Enclosure, Hualei Large-Scale Precision Cooling Systems OEM Service Heavy-Duty Sheet Metal Enclosure, Hualei OEM Copper Tube Condenser Coil Customized Hardware Fin Envaporator and so on.