PANCHEM Co. Ltd., established in year 1997, with registered capital of 10 million RMB & annual turnover of 20 million dollars, is a young and innovative company active in supplying Sodium Metabisulfite food grade ，the specification as follows: Re:Sodium Metabisulfite Food Grade Spec:SO2 65%min Fe 0.002% max Arsenic 0.0002% max Pb 0.002% max Water Insolubles 0.05% max Pkg:25kg/plastic woven bag(22mt/20扚CL) If you interest the above product,please contact us ASAP. MAY PANCHEM INTERNATIONAL TRADING AND INDUSTRIAL CO. LTD. ADD : BLOCKS 707/708, A1,TEDA NEW SKY-LAND PLAZA,NO.12, NANHAI ROAD,2ND AVENUE, TEDA, TIANJIN 300457, CHINA TEL : 0086 - 22 ?25899294 FAX : 0086 - 22 ?25858913