The first domestically created large-scale "Double layer Roller Bottom Heat Treatment Automatic Line" has an hourly quenching and tempering capacity of 9 tons, with a cost of 8 digits. It was customiz

The first domestically created large-scale "Double layer Roller Bottom Heat Treatment Automatic Line" has a quenching and tempering capacity of 9 tons per hour, a cost of 8 figures, and is customized by Chongqing Changjiang for a well-known listed company in China. It has now been delivered for use.