Beijing Yunyuan economic and Trade Co., Ltd

ADDRESS:Room 415, Building 7, Beili East District, Donghua City, Dongcheng District, Beijing
BUSINESS SCOPE: Technical consultation, technical services, technology transfer, technology development; professional contracting, general construction contracting, labor subcontracting; product design; sales of mechanical equipment, hardware and electrical appliances, b
E-MAIL:cym4598@163.com;cym8888@dingtalk.com;cym@ytbg.net;zhjcpa1962@vip.sina.com