Professional WORK ROLLS Manufacturer

United Electric Steel’s Davy Company in the United States technical .

LMM GROUP can supply customer with high wear resistance and stablity, high-strength quality rolls .

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LMM is the professional manufacturing plant, Founded in 2007, which is producing and supplying metallurgical rolls for iron and steel industry. The registered capital of the company is RMB 112,383,000,the total assets more than 1,000,000,000 and the company covers area of 400,000 ㎡ with staff more than 1000.

LMM GROUP is one of the professional roll manufacturing base in China, which supply all kinds of large-size rolls for iron and steel enterprises with production capacity of 100,000 tons of all kinds of hot strip mill rolls, section mill rolls, rod mill rolls, cold rolling mill rolls, casting and forging backup rolls.

Rolling mill rolls product

Wok Rolls of Hot Strip Mill

Work Rolls of Hot Strip Mill

High NiCr indefinite chilled duplex spin-cast rolls

High-Cr duplex spin-cast iron rolls

Enhanced high-NiCr indefinite chilled duplex spin-cast rolls

Enhanced high-Cr indefinite chilled duplex spin-cast iron rolls

High Cr duplex spin-cast steel rolls

High speed steel duplex rolls

Semi-high speed steel duplex rolls

Back-up rolls

Conventional Mill Rolls

Alloy chilled cast iron rolls

Alloy indefinite chilled cast iron rolls

Alloy SG iron rolls

Duplex spun-cast\Duplex static-cast rolls

Alloy cast steel rolls

Adamite rolls

Graphitic steel rolls

Cold Rolling Strip Mill Rolls

LMM GROUP’s roll production technology originates from United Electric Steel’s Davie Company in the United States, which has developed the world’s most advanced metallurgical powder technology, making the metallographic structure more dense.

  • Good economic benefits
  • Stable rolled strip profile
  • Good surface quality
  • High dimension accuracy
  • Expert technical advise
  • Good wear resistance
  • Prolonged service period
  • High safety factor

LMM Excellence in our core competencies

  • United Electric Steel’s Davy Company in the United States technical .
  • Internationally advanced processing equipment – DRY GRINDER etc,.

allows us to provide a superior product and meet the most demanding requirements of our customers.

Heat Treatment of Rolls

Heat treatment furnaces are independently numerically controlled and centrally computer controlled.Heat treatment of strip mill rolls is adoptive of process and technology imported from Davy Roll UK.

Machining of Rolls

Advanced high-accuracy machine tools plus experienced turning techniques and control technology meet high requirements demanded by roll manufacturing accuracy.

Inspection of Rolls

The company set up”roll inspection & research center”, quality control of rolls and inspection are carried out .

Casting production of rolls

The company adopts conventional casting、grooved mould casting and centrifugal casting(horizontal、vertical)methods for roll production. The major production process is adoptive of advanced computer control technology and the system is automatically controlled, which ensures homogeneity of process Control and homogeneity of product quality.

The maximum dimension of rolls produced by the large vertical spin-caster is φ1350×5300×11000, which meets the requirement of hot plate mill and CSP mill work rolls.

The company can supply customer with high wear resistance and stablity, high-strength quality rolls .

LMM GROUP have been supplied to world’s top steel manufacturer :

United Arab EmiratesEmirates Steel
Egypt:Ezz Steel
Russia:MMK,Mechel, NLMK
Luxembourg:RIVA Group,ArcelorMittal
Turkey: Tosyalı Holding,İçdaş,Erdemir Group
Spain: Liberty Steel Group,CELSA Steel Group
India: tata-steel,SAIL, SPL,Erdemir Group etc. We do OEM for Concast and Danieli for a long time

Pre-Sales Service

* Inquiry and consulting support.

* Planning layout and Design requires machinery

* Welcome visit our Factory.

* The production process and before leaving the factory, all performance indicators are strictly tested, and the professional QC team controls according to the process.


After-Sales Service

* Engineers available to service machinery overseas.

* IN-TIME delivery goods.

* The quality is tracked throughout the process, and the installation and use are guided throughout the process.

* Long-term technical support.

* Stick to the agreement, do not do anything that violates the agreement, stick to the spirit of the contract to the end.

work rolls

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We would be happy to help and advise if you have any questions or inquiries.