Liaoning Mineral & Metallurgy group Co.,Ltd was established in 2007 with a total assets of 600 million CNY. There are two roll production lines with world-leading advantages: One is for cast rolls with the annual capacity of 30,000 tons; the other is for forged rolls with the annual capacity of 5,000 tons. LMM Roll was certified by the ISO 9001, ISO 14001 and OHSAS 18001 management system. LMM Roll was approved in the first list of Access Qualification for casting industry by the Ministry of Industry & Information Technology of China in 2014. LMM rolls have wide range of customer market in many large steel enterprises at home and abroad.
ABOUT LMM GROUP
OUR CERTIFICATION & PARTNER

PRODUCT INFORMATION
Rolling Mill | Application |
Hot Strip Mill |
Vertical Roll |
Roughing Work Roll | |
Work Roll for Early Finishing Stands | |
Work Roll for Later Finishing Stands | |
Roughing & Finishing Backup Roll | |
Temper Mill Work Roll | |
Temper Mill Backup Roll | |
Plate & Heavy Plate Mill |
Roughing Work Roll |
Finishing Work Roll | |
Backup Roll | |
Cold Strip Mill |
Work Roll Intermediate Roll Temper Mill Roll |
Backup Roll | |
Heavy Section Mill and Beam Mill |
BD Roll |
Edger Roll | |
Roll Shaft |
Desicription: The main working parts and tools on the rolling mill that cause continuous plastic deformation of metal
Application:rolling mill
Advantage:
Raw Material:
- Only work with 2-3 qualified long-term suppliers
- Each batch of raw material has quality certificate
- Acceptance test on receipt by our own laboratory
- Annual audit evaluation to all suppliers
Manufactureing Process:
- Advanced and mature process as shown previously
- Technical confirmation during Heat Treatment process
- Most of equipments are computer-controlled
- Standard operation guided by specified process cards
- Traceable operation records
Quality Staff:
- Well-trained and certified
- Main technical staff and key workers are with over 20 years experience in roll industry
Test & Inspection :
- Well equipped chemical and physical labs
- Standard test and inspection procedures
- Records and samples are kept till roll scraped
- Final inspection done by QC Dept of third party
Certification:ISO 9001, ISO 14001 and OHSAS 18001
Annual capacity: Cast rolls 30,000 tons/year;Forged rolls 5,000 tons/year.