The PET business card has good mechanical properties, and the impact strength is 3 to 5 times the ot...
Classified by the nature of the business card: Identity card business card. This type of business c...
Filter mesh is abbreviated as filter mesh, which is processed by metal wire meshes of different mesh...
For many years, metal etching has been used as a precise and scientific chemical processing technolo...
The filtration of circulating water in the cooling tower of medicine, petrochemical refining, air co...
Test principle of water intrusion method: The water intrusion method is dedicated to the testing of ...