01

Condenser vacuum and negative pressure ash removal in the Power Industry; 

02

Vacuum distillation, vacuum crystallization, and water deoxidation in oil production in the Petrochemical Industry;

03

Various vacuum devices in the Pharmaceutical Industry; 

05

Vacuum water diversion in Suction and Drainage Engineering; 

04

High altitude simulation in Aeronautical Research; 

06

Vacuum systems in the Paper Industry and Various Vacuum-obtaining Processes; 

07

Vacuum formation of plastics and rubber; 

08

Vacuum flotation and filtration in Coal and Mining, and Gas Emission from Coal Seams; 

09

Vacuum system of the Tobacco Industry; 

10

Pressure swing adsorption device, food packaging, or vacuum drying.