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Our company once again won a utility model patent

In May 5, our company received the utility model patent certificate of "high efficiency shell heat exchanger" authorized by the State Intel...

2014.05.09

The good news came from Qinhuangdao on March 16, 2014, which was designed, manufactured, installed and debugged by Kaifeng DEAR air separation Industr...

2014.04.10

Answer: because the torque of asynchronous motor is proportional to the square of voltage, if centrifugal compressor is driven by asynchronous motor, ...

2014.04.03
A thank-you letter from the customer

  Thank-you note reads as follows: Kaifeng DEAR kongfen Industrial Co., Ltd:The contractor of your company in Minyuan special steel oxygen factory, w...

2014.03.24
Seriously do a good job in air separation technology reserve and constantly improve core competitiveness

Recently, the Design and Research Institute of the company has carried out a series of technical reserves centering on "improving the ability ...

2014.03.17
DEAR air separation plant develops large-scale air separation technology and project cooperation with Diyang acid

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...

2014.02.11
• Our company has carried out large-scale air separation technology and project cooperation with daiyang acid

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...

2014.02.11
• Our company provided Ningxia Xiangmei chemical industry's 2200 air separation plant with one successful start-up

On December 22, 2013, good news came from Ningxia that the KDN-2200 high purity nitrogen air separation plant designed, manufactured, installed and d...

2014.01.21

The main reasons that cause tile burning of air compressor are:1) poor oil quality. The poor oil quality is often caused by dirty lubricating oil, not...

2013.12.28
Persistently grasp learning, develop innovation and practice internal strength

--- DEAR Air separation Design and Research Institute carries out internal training and communication activities As the core technical institution of...

2013.12.26
Management Innovation Credit wins

Management innovation refers to that enterprises put new management elements (such as new management methods, new management methods, new management ...

2013.12.25
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