The petroleum industry is the industrial sector that extracts petroleum (including natural oil and natural gas) and refines and processes it

The electric power industry will coal, oil, natural gas, nuclear fuel, water energy, ocean energy, wind energy, solar energy.

The main market segments in the food industry are developing rapidly. In recent years, meat, poultry, eggs, dairy consumption has increased substantially, all kinds of baked goods.

Milk drinks are divided into neutral milk drinks and acid milk drinks, and according to protein and mixing, they are divided into formulated milk drinks and fermented milk drinks.

The upstream participants of the beer industry chain are raw materials, and the downstream is mainly beer sales channels, mainly online and offline channels.

Pharmaceutical industry refers to (pharmaceutical equipment and fluid equipment) pharmaceutical factory all equipment processing supporting.

Fine chemical industry is a comprehensive technology intensive industry. First of all, the production process is long, the unit reaction is more, the raw material is complex, the intermediate process control requirements are strict.

Water treatment refers to the physical and chemical measures taken to make the water quality reach a certain standard for use. The physical characteristics of water, such as temperature, smell and taste, are the basic criteria to judge the quality of water.

Semiconductors are used in integrated circuits, consumer electronics, high-power power conversion and other fields.