Liaoning EO Heavy Industry Co., Ltd. is a wholly state-owned company reshuffled and established on the basis of Liaoning EO Heavy Machinery Group Co., Ltd. and Shenyang Mining Machinery Group Co., Ltd. In 2007, EO merged NFM Technologies in France and became an international enterprise. In 2009, EO became one of the top 500 Chinese enterprises, ranking among the top three in Chinese heavy machinery industry.
EO’s factory is located in Shenyang Economic & Technological Development Zone，covering an area about 1.01 million m2, more than 10,000 employees.
he main products are tunnel engineering, power, building material, metallurgy, mining, port, environmental protection, forging, fracturing equipment, coal machinery and transmission machinery, totally about 500 types and 7,000 models.
EO has complete facilities for design, test, inspection and measurement, complete R&D and manufacturing system.