SLBY.SLBY is a national high-tech enterprise located in Ezhou, Hubei Province, specializing in centrifugal pumps and vacuum pumps for more than 40 years. The company has registered capital of 105 million yuan, with a team of more than 600 people, including two national experts and more than 30 engineers. 2BES series was developed through independent innovation after the introduction of Siemens 2BE1 vacuum pump technology from Germany in 1984, and the product upgrading was realized by using CFD three-dimensional design technology. Now the annual production capacity of 3000 sets of equipment, 2BW5, SJ two-stage cone pumps and other five series of products known for high efficiency and energy saving, annual sales of 200 million yuan, the overall strength of the industry in the forefront.