VPS is a high-tech group company specializing in the R&D, production and sales of various dry vacuum pumps and vacuum units. It is currently one of the companies that produces the complete series of dry screw vacuum pumps in the world and its main business is VPS and HC (Hongchen) brand dry screw vacuum pumps, Roots vacuum pumps, micro-oil screw vacuum pumps, liquid ring vacuum pumps and rotary vane vacuum pumps.