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TianJin HONGYAN Mining Co., Ltd.
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Company's address ：RM618-621 Yuntong Science & Technology mansion, No.70 Baidi Road, Nankai Dist. Tianjin of China. Contact person : li jian fang Company's tel: 86-22-27373061 、27373072 、27373087 fax：86-22-27373071 E-mail: hongyan@hykc.com All rights reserved. Tian jin hongyan merinal Co., Ltd., |
