Shanghai, Shanghai, China,
HUIFENG Enterprise, founded in 1990, is a economic entity integrated the science, engineering and commercial trade, which specialize research, development manufacturing of various advanced lubricants grease that meet industrial demand as main ...
rotary piston vacuum pumps, high-speed monoblock rotary vane pump, roots vacuum pump, high vacuum oil diffusion pump, oil booster pump, water ring vacuum pumps and compressors, dry pump, dry screw pump, oil free scroll vacuum pump, vacuum gauge, vacuum c