Zhengzhou continues to develop and expand the superhard materials industry

The next "Pudong" in Tianjin (3)

Research on the material of diamond saw blade

Electrical performance protective shoes knowledge set!

CNC turning of special thread for bottle mouth mould (3)

Common terminology of numerical control technology (3)

Microstructure and mechanical properties of holmium laser welding

First use of dry valve aseptic cold filling technology for tea beverages

Mass production of low-cost graphene has become possible

Mass production of low-cost graphene has become possible

Watering the fruit trees in the greenhouse

Several ways to prevent vegetable pollution