SINOMACH-HI(LUOYANG)BUILDING MACHNERY CO.,LTD.(abb.LUOJIAN), which is the first professional manufacturer of compaction machinery in our country. was established in SHANGHAI in 1904, afterward it was moved to LUOYANG.Since the first roller was finished in LUOYANG in china,LUOJIAN has developed new model rollers one by one by using the advanced technology. with the target of satisfying the customers, and regard relieving the national compaction industry as our responsibility. The products of "LUOYANG" brand has coverd not only the domestic market but also the abroad market since the fifties of last century, and it has been exported to 107 countries up to now. The "LUOYANG"brand is assessed as one of the famous products products in china. LUOJIAN gains the IS09001 -2000 quality certification earlier than other companies in this field, and then GB/T28001-2001 0ccupational Health & Safety Management System and GB/T24001-2004 Environmental Management System(EMS) in 2005.LUOJIAN is called the cradle of compaction machinery industry in china. Since the seventies of Last century. it has provided its skill of roller products to more than ten companies without any charges. It has greatly benefited Chinese nationl indusry.Going through one hundred years, LYOJIAN has been retaining her excellent character as still. Insisting in really actual manner and ceaseless march-on spirit, at present. LUOJIAN is contributing perfect and superior products and first class technical service to all fields of friends. With her conserved powerful strength and energy, LUOJIAN will create more brilliant achievements in the new century.