Three months ahead of schedule, the first coil of silicon steel successfully rolled off the cold-rolled electrical steel line (Phase I with 1550mm in width) of Baosteel Zhanjiang on July 13th, marking the thermal load test a success. With a designed annual production capacity of 300 thousand tons, the mill was the 32th silicon steel production line constructed by China MCC5 Group Corp.Ltd. It is reported that MCC5 Group is China's top 1 enterprise contracting to build silicon steel production lines.