SHZKB.SHZKB is a leading enterprise in China's vacuum pump industry and a national high-tech enterprise, with 1100 employees (including 182 technicians) and an annual output of more than 300 types of vacuum pumps in 9 series, with the production and sales volume ranking the forefront in China. The company has won many honors such as National Machinery Industry Science and Technology Award, and its products are widely used in electric power, petroleum, chemical industry and other fields, and exported to Russia, Indonesia, Zambia and other countries, the main products include ZJQ Roots pump, 2BEC series water ring pump, PD-C dry screw pump and so on.