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

Beijing will hold annual meeting of auto parts and electronic seminar


In June of this year, in the early stage of the 8th Beijing Auto Industry Exhibition, Beijing will host the first "China Automotive Parts and Technology Entrepreneurs Annual Conference and International Conference on Automotive Electronic Informationization." One of the highligh

Automatic feeding device gas valve fault handling

Heidelberg four open four-color offset press, in operation, there is insufficient automatic suction device suction, transfer paper suction instability failure. Due to the urgent production task at that time, there was no timely disassembly of the inspection and maintenance. After this period of

Maintenance of valve-regulated lead-acid batteries

The maintenance work of the valve-regulated lead-acid battery was discussed.

Because of the valve-regulated lead-acid battery (VRLAB), it has the following advantages:

Can be placed horizontally, stacked, can be placed together with communication equipment to

Pump selection principles and procedures

The first section selection principle Pump is a wide range of general-purpose machinery and equipment, it is widely used in petroleum, chemical, electric power metallurgy, mining, ship selection, light industry, agriculture, civil and defense departments in the national economy