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Qingyan provides a wide range of products and solutions
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Nanjing Qingyan polymer new material research Co., Ltd.

Add：1102, Building D, No. 606, Ningliu Road, Nanjing Jiangbei New Area
Contact number：025-57521789
Website：www.3ttest.cn
E-mail：sales@qy-am.com
Contacts： 13962832299 (Manager Zhang）
17601555949（Manager Ni）