Cold-rolled steel sheets

Process flow of full hard cold-rolled steel coils
Hot rolled steel coils → acid pickling → rolling →black annealing→black cold-rolled steel coils→ weighing → inspecting →warehouse

Process flow of cold-rolled annealed steel coils
Hot rolled steel coils → acid pickling →rolling → degreasing→ annealing → leveling up → tension leveling → cutting → oiling → cold-rolled steel coils → weighing → inspecting → packing → warehouse 

Zinc-coating base plates and cold-rolled annealing base plates;
Construction and furniture;
Automotive manufacturing, electric products, vehicles, aviation, precision meters, food cans, etc.