Haier launches the first domestic large-scale inverter unit

Recently, the first domestic inverter centrifugal chiller was officially launched at Haier Central Air Conditioning Production Base. It is reported that the chiller was developed after the integration of the most advanced centrifuge technology in the world. It uses a variable

Automatic paper feeding device gas manifold valve troubleshooting

Heidelberg four-color four-color offset printing machine, when running, there is a failure of the automatic paper feeding device to inhale insufficiently, and the paper feeder is unstable. Because the production task was very urgent at that time, the inspection and maintenance