12 tips before sourcing kieserite from China

To search for a Chinese Kieserite and Magnesium sulfate fertilizer Manufacturer, please consider these 12 key points to help you identify the most suitable one:

✅ Product-Related

•  Agricultural grade specification (distinguish between agricultural, industrial, and pharmaceutical grades)
•  Compliance with content standards (particularly MgO ≥ 25%, S ≥ 17%)
•  Water solubility and impurity levels (Cl⁻, heavy metals) meeting regulatory requirements
•  Capacity for long-term stable supply (to avoid supply disruptions)

✅ Supplier-Related

•  Does the supplier have export experience (familiarity with documentation processes and customs clearance regulations)?
•  Can the supplier accommodate international certifications (SGS, REACH, ISO, etc.)?
•  Can packaging be customized with English labels, barcodes, and palletized packing?
•  Does the supplier possess experience with country-specific registration requirements (e.g., Turkey, Brazil, Indonesia, etc., which mandate fertilizer import registrations)?

✅ Trade & Logistics

•  Support for multiple trade terms (FOB / CIF / DDP)
•  Export port availability, warehouse delivery capability, customs clearance coordination
•  Support for bilingual contracts (Chinese/English), dedicated foreign trade team
•  Controllable delivery cycles (especially during peak farming seasons)