Promoting modernization with information management has become the key to immortality, and excellent information technology must be applied. In addition, we must improve the precision (accuracy), cha...

The General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the National Standards Commission approved and issued the national standard GB/T3151...

Heat Pump School: Why choose water source heat pump for heating?As we all know, energy is the material basis for the existence and development of human society and the guarantee for human survival. T...

The Beijing Municipal Development and Reform Commission, the Beijing Municipal Finance Bureau, the Beijing Municipal Bureau of Land and Resources, the Beijing Municipal Environmental Protection Burea...