1, Parker Hannifin, whose Chinese name is Parker Hannifin, is the world's leading manufacturer of diversified motion and control technologies and systems, providing accurate solutions for a wide range of transmission control, industrial and aviation markets, and has now become the world's largest global company specializing in the production and sale of various refrigeration and air conditioning components, hydraulic, pneumatic and fluid control products and components.

2. Parker Hannifin is a multinational company headquartered in Ohio, USA. Founded in 19 18, it has become the largest company in the world specializing in the production and sale of various refrigeration and air conditioning parts, hydraulic, pneumatic and fluid control products and parts. The company's stock is also an index stock of Standard & Poor's.