On June 30, the hot commissioning test of the Baosteel Bar and Rod Blooming Mill Product Optimization Revamp Project, undertaken by MCC5, was successfully completed 30 days ahead of schedule. This marks a milestone breakthrough for Baosteel in "building the third major strategic product of high quality long products."

The project upgrades the existing blooming mill line by adding a new breakdown line and a small bar line, equipped with internationally advanced equipment such as intelligent digital servo hydraulic systems. It focuses on producing high precision special steel products including gear steel and bearing steel for new energy vehicles, which have broad market prospects.

As Baosteel's first continuous production line renovation project with large scale reuse of existing foundations, the project team scientifically coordinated construction sequences to achieve seamless handover among various disciplines. Leveraging technical expertise, the team used BIM technology to identify and resolve over 30 potential collision issues in advance. They applied a self developed "large scale collimation line measurement technology" to control installation accuracy of the 570 meter long main rolling bay within 1 millimeter. An innovative combination of "truck crane lifting + hydraulic sliding" was employed to precisely position heavy equipment weighing over 100 tons. Through multiple technical innovations, the team successfully overcame the challenges of renovating an old plant.

Once officially put into operation, the project will effectively fill the market gap for high end gear steel and bearing steel bar products for new energy vehicles in China, further enhance Baosteel's core production capacity for high quality specialty steel, and help drive the regional steel industry toward a high end, refined, and intelligent high quality transformation.