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R & D and manufacturing of liquefied natural gas energy storage equipment, manufacturing and processing of pharmaceutical and chemical equipment, heat exchanger, radiator, oil cooler and mechanical equipment, manufacturing of auto parts, auto oil tank filler pipe, hardware, stamping parts and rubber and plastic products, professional contracting and installation of steel structure engineering, production and installation of color steel plate, and sales of our own products, Self operation and agency of import and export business of various commodities and technologies (except those restricted by the state or prohibited from import and export). (for projects subject to approval according to law, business activities can be carried out only after approval by relevant departments)公司档案