Turbomolecular pump suction system basic operation
Posted on

The turbo-molecular pump extraction system with separate roughing lines shown in Figure 1 operates in a similar manner to the diffusion pump extraction system. Before starting rough pumping, the high vacuum valve and roughing valve are closed while the foreline valve is open. First, close t…

One of the largest sellers of Atlas air compressors was born in Dalian
Posted on

Dalian Guoji Industrial Equipment Co., Ltd. is specialized in Atlas air compressor system equipment, compressed air and gas equipment, Atlas generators, Atlas construction and mining equipment, Atlas industrial tools and Installation system related sales and after-sales and professional l…

One of the largest sellers of Atlas air compressors was born in Dalian
Posted on

Dalian Guoji Industrial Equipment Co., Ltd. is specialized in Atlas air compressor system equipment, compressed air and gas equipment, Atlas generators, Atlas construction and mining equipment, Atlas industrial tools and Installation system related sales and after-sales and professional l…

4 reasons to tell you why car companies want to build their own engines
Posted on


In recent years, all car companies have actively developed or are joint ventures to produce their own engines, transmissions, and axles, such as Hualing's Hanma Power, Futian's Fukang Engine, and Heavy Duty's MC Series engines. What is the significance of such a model for…

Shangong grader special forces training camp waiting for you!
Posted on

On May 23, in Harbin, a "combat" belonging to a leveller will soon begin! Shangong grader special forces training camp "first show" will set sail here. When the loader inverts fireworks, the excavator shoots brushstrokes, and the crane show…