spcifications: 1) SO2: Max 600PPM, 1000PPM, 1500PPM, 2500PPM or as per clients' requirements 2) Moisture: 5% , 8% , 10% , 16% ~ 18% , 18% ~ 20% . 20% - 22% , or as per clients 3) Storage period: 360 days at cool and dry storage in original package 4) Supplying period: All the year round 5) Supply Ability: 200MT/ month 6) Price Terms: FOB Qingdao, CFR, CIF 7) Payment Terms: L/ C, T/ T 8) Delivery Lead Time: Within 2 weeks 9) Certification: Phytosanitary Certificate, Certificate of analysis for pesticide. PACKING: Net weight 10KG/ 15KG/ 20 KG cartons, with plastic bag inside. Or as per buyer' s request