... Choice!!! MD 20/40 Ceramic Proppant Sand : Company NameZhengzhou Top Trading Co.,LtdOriginHenan,ChinaUsageOil, gas or shale gas well fracturingRaw MaterialBauxiteMain FacilitiesRotary ... °CMain marketAmerica, Canada, Russia, Ukraine, Brazil, etcMain Port in ChinaQingdao, Tianjin and Lianyungang,etcPackage1.5Ton or 1.75Ton,or as customer ...