We provide total engineering from conception to design, production, and start-up. We will increase customer satisfaction with reliable technology backed by a wide range of knowledge and experience. We will contribute to business continuity and productivity improvement through equipment maintenance services such as improvement of equipment in operation, preventive maintenance, and prompt repair response in case of failure. Updated equipment (2014.05.16) The homepage has been released (2013.09.05) J Mate Group Holding Company Comprehensive Management Copper alloy water supply parts Manufacture and sale of copper base materials >> English Import / export business of various raw materials Copper alloy water supply parts >> English 　>> Chinese Intermediate treatment of iron paper waste Demolition work General / industrial waste demolition work Purchase and sale of copper / copper alloy scrap Residential area development Sale and brokerage of real estate Batting center futsal court Industrial machine design and production Biomass resource conversion group Enterprise Site Terms of Service privacy policy site map Copyright © JOETSU ENGINEERING CORPORATION. All Rights Reserved. J Mate Engineering Co., Ltd. 1680, Ogataku Kumogaike , Joetsu City, Niigata Prefecture 949-3117 TEL: 025-534-3511 FAX: 025-534-3541