Steel situation

Steel is a material of a certain shape, size and properties made from ingots, billets or steel by press working. Most steel processing is through pressure processing, which plastically deforms the processed steel (bill, ingot, etc.). According to the different processing temperature of steel, it can be divided into cold working and hot working

What people are doing with COVID-19 in China

The builders of the temporary hospital work day and night, surprising the world with the speed of China. Practitioners of electricity, communication, finance and information use their own efforts to ensure the basic needs of people's lives.