ZHAOHAN PUMP WORKS was founded in 1998, located in Chinas biggest Industries center. The company is professional vacuum pump manufacturer specializing in producing and supplying full range of 2BV and 2BE series liquid ring vacuum pump, vacuum compressor and vacuum pump parts for pump maintenance. All our pumps are 100% interchangeable with Siemens both in dimension and performance. Most our client are using our pump to replace their existed Siemens pump. They are satisfied with our pump due to our competitive price and high quality. As a pioneer in vacuum pump field, the company has its own professional technical center, advanced equipment, foundry and machining workshop, assembling workshop and test center. Assure our high products quality, the company carry out 100% performance testin