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QUOTATION OF WHITE CHARCOAL?????Charcoal requirements1???????? ? ???? ??? ?Requirements with high-quality white charcoal (commonly known as steel, Lai Charcoal)2??? : 0.50 - 1%Water content : 0.50 - 1%3????? : ? 5%Other volatiles : ? 5%4???? : 30 - 70 mmCharcoal particle size : 30 - 70 mm5?????? ???????????No sulfur, iron or uncalcined charcoal is allowed6????? ? ?? ????????Fracture should be shiny, white and bright, open when the crisp sound-DIRECTLY TRANSLATE FROM GOOGLE TRANSLATE