The first domestic core equipment universal rolling mill heavy rail production line, breaking the foreign monopoly, mainly producing heavy rail, crane rail, mining U-beam, I-beam, power angle steel, H-beam, channel steel and other products. The heavy rail production line adopts the core technology and equipment such as CCID's new BDCD billet rolling mill, three-stand reversible UMCD universal rolling mill, portal horizontal straightener and vertical straightening machine, and adopts advanced finishing technologies such as rail high-speed automatic thermal printer, cooling bed with long-length intelligent pre-bending technology, online flaw detection, intelligent steel separation, combined sawing drilling, automatic palletizing, etc., and the whole production line is energy-saving, low-carbon, intelligent and environmentally friendly, and adopts advanced TCS and other control technologies to improve production efficiency and product quality.