How to Source Magnesium Sulfate Fertilizer from China

1. Product Classification
   -HS Code: 28332100 (Magnesium Sulfate)
   -Grade: Agriculture Grade (make sure to confirm MgO and S content)
   -Common Forms:
   -Kieserite (Granular MgSO₄·H₂O)
   -Heptahydrate Crystals (MgSO₄·7H₂O)
   -Anhydrous or powdery magnesium sulfate

✅ 2. Selecting a Reliable Supplier
-When choosing a magnesium sulfate supplier in China, consider the following:
-Production Capacity (can they meet large-volume orders?)
-Third-party Certifications (ISO, SGS, REACH)
-Export Experience (documents, customs, logistics)
-Customizable packaging and multilingual labeling
-Responsiveness and communication

✅ 3. Trade Terms & Payment
-MOQ: Often 20 tons (1 full container load)
-Trade Terms: FOB, CIF, or DDP available
-Payment: T/T (30% deposit, 70% against BL), L/C, D/P
-Documents Provided:
-Bill of Lading
-Commercial Invoice
-Packing List
-Certificate of Origin
-SGS / COA (upon request)

✅ 4. Shipping & Logistics
-Main Ports: Yingkou Port, Dalian Port
-Packaging: Available in bulk or small bags with pallets
-Transit Time:
-Asia: ~7–14 days
-Middle East: ~20–25 days
-South America & Africa: ~30–40 days

✅ 5. Tips to Avoid Sourcing Risks
Always request sample + COA
-Confirm MgO % and solubility for your crop needs
-Ask for recent export record to your country/region
-Choose suppliers with in-house QC and traceability
-Avoid iodized salt or industrial-grade substitutes

✅ Need Help?
-We offer free consulting for first-time buyers. Just send us:
-Your destination country & port
-Product type (granular / powder)
Volume & packaging preference

We’ll quote within 24 hours.