Our company is interested in Ammonium carbon salts of B grade (state standard 9325-79) with following specificationsAppearance: white, pink or grey colored crystals. Ammonia mass weight (NH3), %, not less 20,7Residue mass concentration after ignition, %, not more 0,02Packing: polypropylene bagsIf you are able to provide this product, please quote DAF price (DAF Zabaikalsk/ Manchuria). Total purchase amount = 1 008,80 mtTerms of payment: L/C or TTExport & Import ManagerSIBSULFUR CO. LTD.Mobile: +7 983 143 57 19E-mail: alibaba@sibsulfur.ruSkype: stadnik.anna