Guangzhou Hongwu Material Material Technology Co., Ltd.
Tafoegje: R1603, Building B1, Yunsheng Science Science, Nun.11, Guangpu Middle Road, Huangpu District, Guangzhou, Provinsje Guangzhou, Sina
Tel: 8620-87226359; 8620-87748917
E-post:sales@hwnanoparticles.com
Skype & MSN:hkdongyang@hotmail.com
Wechat: 86-13005119616
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