93 Group. is located in Harbin, Harbin the concentration area of Economic and Technological Development Zones, covers an area of 110,000 square meters, is one of the nine branches of the Jiusan oil group, is also the soybean intensive processing production and research and development base. The company was founded on September 25,2001, the introduction of foreign advanced technology and equipment, completed in October 2002 production. We have been using our 2BV series vacuum pump for 17 years. There must be about 200 vacuum pumps. For many years has been stable operation, less failure. Low maintenance. The group has been a loyal customer of our company.