Hot-Rolled vs. Cold-Rolled Steel: Everything You Need to Know! 

lotosforming.com/hot-rolled-vs-cold-rolled/

The description of the film about hot and cold rolling was excellent, thank you

good

Thank you very much

Very helpful

Excellent

Wonderful

Perfect

awesome

How much is the machine part of the profile pipe?

Hot and cold rolling are used in making profile pipes

Great

Profile pipe production line with hot and cold rolling

All right

Cold rolling mill is also change thickness from 2 mm to 0.5 mm

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