Process and product focus
The line combines pure-hydrogen protection with strong convection to manage coil temperature consistency through a controlled thermal cycle.
Project start-up · 2026-04
The hydrogen bell annealing project at Qinhuangdao Shunxian Steel serves low-carbon cold-rolled products including Q195, Q215 and SPCC grades.

The line combines pure-hydrogen protection with strong convection to manage coil temperature consistency through a controlled thermal cycle.