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QUEENBEE DIAMOND INDUSTRIAL CO., LTD. 5C,3,Century Garden, No. 45 Xiaoguanbeili, Chaoyang District, Beijing, P. R. China Tel: +86-10-84896872, 84896876, 84896311 Fax: +86-10-84896873 Email:sales@chinesediamondtools.com
SanHe Queenbee Diamond Applied Technology Development Co., Ltd.
TEL:0316-3357401 FAX:010-61594063
Email:sales@chinesediamondtools.com