SINCE 1999
LEE JUN was founded in 1999 and successfully listed on the Shenzhen Stock Exchange in China in 2012. The company is a high-tech enterprise specialized in the R&D, manufacturing, sales and services. LEE JUN offers comprehensive solutions and core equipment for the grinding systems in the industries of cement and building materials, metal mines, ferrous metallurgy and chemical industries.
The company’s main business includes providing comprehensive solutions and supplying key equipment for the material grinding and separation system, including HPGR - the critical core equipment of the grinding system, Ultra-Fine Dry Classifying Screen, Dry magnetic separator and new-type separator for mines. The Company can provide engineering, equipment procurement (EP) and even EPC. Over years of R&D, with tremendous strength of innovation and pursuit of the highest  product quality, our products have been sold locally and internationally, providing efficient, high-quality and convenient services for the customers in nearly 40 countries and regions.

Leader of the finished grinding system of HPGR in China

Sold more than 1600+ complete sets of HPGR/ Roller press

Our products spread across five continents

More than 200 core patented technologies

Research and Development

LEE JUN has an established research and development system, and a professional team of researchers with strong research and development ability. Our continuous investment in research and development and consolidation of achievements in research and development enable us to maintain our research and development advantages.

LEE JUN has devoted enormous resources to build the analysis and test center and multiple fully automatic control pilot plant test systems. LEE JUN also introduced advanced inspection and test laboratory equipment from locally and internationally, and established an effective analysis and test verification system. New product development includes a closed-loop management system from demand investigation, scheme and technical design review, trial production, user on-site verification and design improvement.


LEE JUN has established World’s largest manufacturing base for roller press and High-Pressure Grinding Roller (HPGR), and passed ISO9001 quality management system, ISO14001 environmental management system and CE certification. Under the comprehensive quality management system, we can produce 100 sets of high-quality roller presses/ HPGRs every year.