Henan Xunyu Chemical has produced fumed silica (colloidal silicon dioxide) since 2006, certified to ISO 9001/14001/45001, SGS, REACH, Kosher and Halal standards, with annual capacity of 11,000 tons supplying hundreds of pharma and food companies worldwide under grades including XYSIL200P, XYSIL300P and XYSIL380P.
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