International Steel Association: Global steel demand increased by 13.1% this year

Design of flexible riveting fixture for frame assembly

Avoid the wrong installation of granite countertops

Photovoltaic conversion efficiency record of black crystalline silicon battery is broken

Material acceptance knowledge for closing balconies

There are two main reasons for floor cracking

Scientists for the first time identified vegetable ancestral genes such as cabbage

Chemical control of rust tick, these agents can be selected

Energy-saving and emission-reducing powder metallurgy auto parts

The impact of synthetic diamond on the gem-quality diamond market

Advantages of aluminum alloy power cable

China's Saibei International Stone Exhibition was held in Inner Mongolia with Huangqi