22

2020-10

“ZGL GROUP” includes Shandong Liaocheng ZGL Metal Manufacturing Co.,ltd

“ZGL GROUP” includes Shandong Liaocheng ZGL Metal Manufacturing Co.,ltd and Shandong Liaocheng Kane Machinery Co.,Ltd . ZGL Metal was built in July 2007, and finished the trial production successfully in December 2008 .The company covers an area of 135,000 square meters, with the employee over 660 people. total investment reached RMB 800 million ,with an annual output of 500,000 tons of seamless steel pipes, the annual sales revenue of RMB4 billion.

2020-10-22

29

2019-07

DOP-S355J0H

2019-07-29

29

2017-07

DOP-S235JRH

2017-07-29

29

2017-07

DOP-S355J2H

2017-07-29