I-Guangzhou Hongwu Material Technology Co., Ltd.
Yongeza: i-R1603, iSakhiwo B1, i-Yunsheng Science Park, iNo.11, i-Guangpu Middle Road, iSithili sase-Huangpu, i-Guangzhou, iPhondo lase-Guangdong, e-China
Umnxeba: 8620-87226359;8620-87748917
I-imeyile:sales@hwnanoparticles.com
Skype & MSN:hkdongyang@hotmail.com
What's app:17876573996
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