ADDRESS:Room 1016, 10th Floor, No. 37, Nanmofang Road, Chaoyang District, Beijing | BUSINESS SCOPE: | Technology promotion services; sales of machinery and equipment, chemical products (excluding hazardous chemicals); computer system services; economic and trade consulting; goods import and export; technology import and export; professional contracting; e | E-MAIL: | longyuan037@126.com;longyuan066@126.com;longyuan010@126.com;bjciet@163.com;441262915@qq.com
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