One of the few full-process roll production plants in the country.

Production process of cold rolled work rolls and intermediate rolls

Selected raw materials – EBT primary refining – LF refining – vacuum degassing – casting molding – electro slag remelting – forging – spheroidizing annealing – rough machining – quenching and tempering (quenching + high-temperature tempering) – semi-finishing – flaw detection – pre-processing Heat Treatment – Double Frequency Quenching – Cold Treatment – Low-Temperature Tempering – Finishing – Hardness, Ultrasonic, and Metallography – Packaging and Factory.
Production process of cold rolled backup rolls

Selected raw materials – EBT primary refining – LF refining – vacuum degassing – casting molding – forging – spheroidizing annealing – semi-finishing – quenching and tempering (quenching + high-temperature tempering) – flaw detection – split furnace quenching – tempering – refining Processing-Hardness, Ultrasonic and Metallography-Packaging, and Factory.