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第一机械工业部第三机电安装公司第一工程处职工,自行设计和制造成功ZW100型可控硅中频弯管机。经过九个月来的连续生产考验,机器性能良好,弯头产品质量达到国家标准。 中频弯管机是近几年发展起来的一项先
Employees of the First Engineering Department of the Third Mechanical and Electrical Installation Company of the First Ministry of Machinery Industry independently designed and manufactured the ZW100 thyristor intermediate frequency pipe bending machine. After nine months of continuous production test, the machine performance is good, and the quality of elbow products has reached the national standard. IF bending machine is one of the first developed in recent years