In the 1980s, China's hydraulic entered a period of rapid development, and has introduced more than 60 foreign advanced technologies. China's hydraulic and pneumatic power machinery and component manufacturing industry is still in the stage of transition from growth to maturity. The industry has increased technical transformation and technical breakthrough. The company has begun to realize large-scale production. It is expected that the scale of hydraulic and pneumatic market will continue to expand in the future.

The life cycle of the industry mainly includes four development stages: introduction period, growth period, maturity period and recession period. China's hydraulic and pneumatic power machinery and component manufacturing industry is in the transition from growth to maturity.

According to the data disclosed by Shanghai liquid air tightness Industry Association, in 2020, the sales output value of key associated enterprises in the liquid air tightness industry reached 63.93 billion yuan, a year-on-year increase of 11.1%. Industry by industry: the hydraulic industry completed 28.69 billion yuan, a year-on-year increase of 20.1%; The hydraulic industry completed 720 million yuan, a year-on-year increase of 7.0% (for reference only); The pneumatic industry completed 16.56 billion yuan, a year-on-year increase of 12.6%; The sealing industry completed 17.97 billion yuan, a year-on-year decrease of 1.7%.