亚洲一区在线观看视频,997在线观看视频国产,一区二区三区欧美日韩国产,国产精品免费视频一区二区三区,国产天堂在线观看,日本久久久久亚洲中字幕,亚洲成色www久久网站

Industries
Petrochemical

In the production process of petrochemical industry, a large number of mechanical equipment such as drilling rig, compressor, fan and water pump are used, which need explosion-proof or ordinary motor drive. Due to the particularity of the industry, users pay special attention to the reliability and safety of the motor when choosing the motor.

All
Chemical
Petrochemicals
Coalification