Recently, I learned from Henan Province Quality and Technical Supervision Bureau Henan province quality provincial strategic work leading group office...
Good news came from Shandong on February 7, 2015. KDON (Ar), a special steel company designed, manufactured, installed and debugged by Kaifeng DEAR ko...
Piston type liquid oxygen pump is widely used in liquid gasification station. The following requirements should be paid attention to during use:1) all...
(1) temporary parkingIf a machinery or equipment breaks down, or needs no oxygen or nitrogen temporarily, but needs to supply oxygen in recent hours i...
Possessing the international first patent to fill the gap of Domestic Technology The independent innovation of DEAR Airbus leads the green transformat...
In February 12, our company received the two utility model patent certificates of "energy-saving air separation nitrogen precooling system&quo...
On January 22, 2014, a large-scale seminar on technology and project cooperation of air separation equipment of 40,000 grade was held in Kaifeng DEA...
A very simple sentence, but how many things can be really done? I think we need to think seriously, "Why should we be a good employee ".Mos...
On the morning of November 28, 2013, the inspection team of Henan Provincial Party Committee and leaders of Kaifeng city came to our company for ins...
Compared with the air compressor, the biggest feature of centrifugal oxygen compressor is the difference of working medium. Oxygen is a kind of strong...
