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2007 Successfully developed the biggest GY1200-800 high pressure briquetting machine of roll diameter is 1200mm, is currently being run in Tianjin Rong Cheng steel.
2005 LYZY settled in Luoyang Luoxin Industrial zone, covers an area of 30 mu, building area is 13000m2, enterprise development has reached a new level.
2004 Sucessssful launch the newest 4PGYQ1210 four smooth roller crusher in China, and have been recognized in metallurgy sintering industry.
2000 Rearch for the carbon industry, PE (T) (anode, cathode) jaw crusher to replace a large hydraulic machine, and successful launch PE900 × 1200 Jaw Crusher.
1999 From design, manufacture, installation and joint venture to build the first domestic iron powder production line in Wuhan Steel Group, running so far. And successfully extended to the Shougang Group, Anshan Iron and Steel, Taiyuan Iron & Steel, Handan Steel, Yunan Steel and other iron and steel enterprise.
1990 Introduce domestic newest dual smooth roller, four smooth Roller Crusher/Roll Crusher (abrasion-type hard smooth roll).
1988 Research of the China's first JPE strong jaw crusher replaces imported products, success crushing ferroalloy.
1986 Li Runxiang, Fang Zhike created Luoyang Zhongyuan crushing equipment factory (now Luoyang Zhongyuan Mining Machine Manufacture Co., Ltd.).

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