Staight Fertlizer refers to the Magnesium Sulfate FertiliSer,which is a kind of sythetic kieserite fertiliser consisting magnesium (Mg) and sulfur (S). Chemical fomula: MgSO4•H₂O
Magnesium Sulfate is a kind of Staight Fertlizer refers, and also is a sythetic kieserite fertiliser consisting magnesium (Mg) and sulfur (S). The Chemical fomula of this fertilizer is MgSO4•H₂O.
Straight Magnesium fertilizers can be directly used for all crops, especially for magnesium-loving crops oil palm,banana . This fertilizer usually get mixed with other types of fertilizer to formulate mixed fertilizers and compound fertilizers. The advantage of a straight fertilizer is the low price compared to other fertilizers in the market. Featured with slow release, pH neutrality, and multi-sector versatility, it is a preferred choice for agriculture.

| Straight Magnesium Fertilizer | Powder | Granule |
|---|---|---|
| Water Soluble MgO | 5%~25% | 5%~25% |
| Total MgO | 25%~30% | 20%~27% |
| Size | 80~200mesh | 2~5MM |
1. It’s the most economical & efficient fertilizer, supplying plants magnesium and sulfur elements. It’s widely used in fruits and vegetables, tobacco leaves, oil palms, bananas and other field economic crops.
2. Partially soluble Medium fertilizer,Blended Fertilizer Mixed Granular,BB fertilizer mate,Soil conditioner, Microbial agent fertilizer, granular fertilizer raw material,heavy metal passivator.
3. There are completely water-soluble and incomplete water-soluble slow-release granules, suitable for the application with modern agricultural equipment.
4. Storage Stability: Low hygroscopicity (minimal caking) and consistent crystal structure ensure reliable performance during transport and use.
Citrus, oil palms, trees, shrubs, annuals, and turf,cops ,almost suit for all the crops.

Rongqing Chemical has Focused on Straight Fertilizer and Magnesium fertilizer for 20+ years. Our Kieserite Fertilizer Factory is located in Dashiqiao, Yingkou, Liaoning, China. It covers an area of 50,000 ㎡, and currently has 55 employees. We runs production, OEM/ODM processing of various medium and TE granular fertilizers.
Our Main products: Magnesium Sulfate, Kieserite, Si-Ca-Zn-B-Mg fertilizer, kinds of Medium+TE granulars such as compound fertilizers, Blended Fertilizer Mixed Granular,BB fertilizer, water-soluble fertilizers, bio-organic fertilizers, microbial agents, soil conditioners, etc. Our daily output of granular fertilizers is 300~500 tons. We have independent R&D department and foreign trade department, and our products are sold both at home and abroad.



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🔹Our Straight Fertilizer Kieserite & Magnesium Sulfate products feature high purity, stable supply, international standards, and professional service. Exported to 40+ countries worldwide, we are trusted by leading fertilizer brands and large-scale farms.
📩 Email: marketing@rqsulfates.com
📞 Tel: +86-151-1140-0823
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Rongqing Chemical Co. Ltd, established in 1991, is a China-based kieserite Manufacturer & Exporter. Located in Yingkou Liaoning -the China magnesium We focus on kieserite,magnesium sulfate
E-mail :
marketing@rqsulfates.com info@rqsulfates.comWhatsapp:
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Headquarters:Yuelu District,Changsha, Hunan, ChinaKieserite Factory:
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