China Charcoal Powder For Water Purification manufacturers Our History Hongsen company, founded in 2000, is a professional manufacturer of activated carbon in Shijiazhuang City, Hebei Province, and currently produces various multi-purpose series of activated carbon. The company has passed ISO9001:2008 quality management system. The company researches and develops various series of activated carbon, forming a vertically integrated business structure from raw material collection and processing to product terminal sales. Our Service √ 1.Always a pre-production sample before mass production; always final Inspection before shipment. √ 2.24-hour professional online service. √ 3.Free shipment if product has any quality problems. China Charcoal Powder For Water Purification manufacturers website:http://www.hsactivatedcarbon.com/