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Kengzi,Shenzhen,Guangdong, China,China China
particle size between 75um and 450um(about 80 to 200 mesh) hydrogen volume is less than 0.1ml/5g in three days and 60 appreance is silver gra
連絡先担当者 Mr. Clark Li
住所 Kengzi, Shenzhen, Guangdong, China
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