Keweida provides you with all-round envi...

1、Technical Services for Sludge Treatment and Disposal Acco...

Cleaner Series

The cleaning agent series includes: 1、Metal Degreasing Clea...

Vacuum technology

1、After using vacuum technology, the air in the blind holes...

Advantages of Vacuum Cleaning and Drying

1、The air in the deep hole and the parts can be sucked out,...