US LIAOYANG KEAO INSTRUMENTS CO.，Ltd ,former---LIAOYANG KEAO APPARATUS  INSTRUMENT FACTORY specialize in  instruments appointed by the PRC Machinery Industry and Chemical Industry Department. We are network unit of China Petroleum and Natural Gas Corp.n 2004,we passed international quality system authentication:ISO9001:2000 by American EQA.With a long history of producing  instruments and rich practical experience,we now have produce 18 series,over 70 specifications which are widely used in petroleum、chemistry、fertilizer、electricity、metallurgical industry、making ship industry、making paper industry、cereals etc. and very popular in 28 provinces (cities) & autonomous regions in China and parts of oversea markets.Especially we made a joint factory with American  OHIO State University in 2003 and introduced advanced radio frenquency amiltance  medium position transmitter、”RMS7” 8 channels、DCS system welcomed by our clinets.

    Occupying over 20000 square meter of land ,9000 square meter of building area ,we have 90 staff of which 39 middle or high grade main technicians ( 3 Americans). We have 50 sets equipments ,advanced revolving adjusting speed  AC synchronous generator and welder, kinds of perfect testing 、experimenting 、demarcating devices.Under the leadership of general manager, set up 4 functional deparments,we strictly abide by ISO9001:2000 quality management .our annual capacity exceeds 3000 sets. The quality is stable and reliable,the quality is in conformity with the standard of machinery industry department and chemical industry department ,some of which are up to international standard.We can also make special design according to clients’ requirements.

   We always stick to “quality first,credit first” to organize production and operation,serve our clients with our warm heart,to create instrument brand----NORTHEAST KEAO.