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20200221A steel bar casting and rolling system and a steel bar casting and rolling method
20200221A steel bar casting and rolling system and a steel bar casting and rolling method
20200428 Composite roller sleeve and roller
20200428 Composite roller sleeve and roller
20200522 Roller sleeve, method for manufacturing roller sleeve, and roller
20200522 Roller sleeve, method for manufacturing roller sleeve, and roller
20210518A method for online alkaline blueing of hot-rolled steel bars
20210518A method for online alkaline blueing of hot-rolled steel bars
20210518A method for online acid blueing of hot-rolled steel bars
20210518A method for online acid blueing of hot-rolled steel bars
20220222 Composite blank preparation method and preparation device
20220222 Composite blank preparation method and preparation device
20220415 Production method of stainless steel composite billet
20220415 Production method of stainless steel composite billet
20220909 Auxiliary tooling and method for vacuuming and sealing composite metal blanks
20220909 Auxiliary tooling and method for vacuuming and sealing composite metal blanks