Guangzhou Hongwu Material Technology Co., Ltd.
Yongeza: Igumbi 307, Chuangkegu, No.43 iTangdong East Indlela, Isithili saseTianhe, isiXeko saseGuangzhou, kwiPhondo laseGuangdong, China
Ifowuni: 8620-87226359; Ngama-8620-87748917
Imeyile:sales@hwnanoparticles.com
I-Skype kunye ne-MSN: hkdongyang@hotmail.com
Yintoni iapp: 17876573996
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