Fertilizers
High-Tower Compound Fertilizer
High-tower compound fertilizer is a granular NPK produced by melt granulation, with magnesium and zinc added. The granules dissolve well and carry an even nutrient distribution, for basal and top dressing of field crops, fruit trees and vegetables.
Please note: Compound fertilizers have been subject to export control measures in China; the current position is confirmed per product name before quoting. Agricultural use only — do not ingest.
Quick facts
- CAS number
- Not applicable (mixture)
- Formula
- N-P₂O₅-K₂O 25-12-8 with MgO and Zn
- Appearance
- Grey-white granule, 1.5 – 4.5 mm
- HS heading
- 3105.20
Customs classification depends on declared use and current regulation. Confirm the applicable code with your customs broker for your shipment.
Specification
Typical technical specification
From the product TDS, issued 2026-09-13, written against GB/T 15063-2020. The batch certificate of analysis issued with your shipment is the controlling record.
| Parameter | Value |
|---|---|
| Total nutrients (N + P₂O₅ + K₂O) | ≥ 45% |
| Total nitrogen (N) | 25% |
| Phosphorus (P₂O₅) | 12% |
| Potassium (K₂O) | 8% |
| Magnesium oxide (MgO) | ≥ 2% |
| Zinc (Zn) | ≥ 0.2% |
| Granule size | 1.5 – 4.5 mm |
| Moisture | ≤ 2.0% |
| Water-soluble P as share of available P | ≥ 70% |
| Chloride (Cl⁻) | ≤ 3.0% |
| Standard | GB/T 15063-2020 |
Grades and forms
25-12-8 + 2MgO + 0.2Zn
High-tower melt granulation
Other ratios
Formulated to the buyer's specification
Applications
- Basal application in cereals, oilseeds and cash crops
- Bulk blending into crop-specific programs
- Plantation and orchard nutrition
FAQ
Questions importers ask about this product
- What packing options are available for High-Tower Compound Fertilizer?
- 25 kg PP woven bag with PE inner liner; 50 kg PP woven bag with PE inner liner; 1000 kg jumbo bag (FIBC) with PE inner liner; Private label and buyer-specific shipping marks available. Private-label printing and buyer-specific shipping marks can be arranged.
- Can you supply High-Tower Compound Fertilizer to a specific specification?
- Yes. Send the grade, purity and any impurity limits your process requires and we will confirm what we can supply. Indicative specifications for our standard grades are listed on this page; the controlling values are those in the technical data sheet (TDS) issued for your order.
- Which documents are provided with a High-Tower Compound Fertilizer shipment?
- Commercial invoice, packing list, bill of lading, certificate of analysis for the batch, and the technical data sheet (TDS) and safety data sheet (SDS) for the product. Certificates for specific destinations can be arranged on request.
- What is the minimum order quantity?
- It depends on the specification, packing and destination. Tell us your requirement and target port and we will confirm the minimum quantity we can ship economically.
Enquire about High-Tower Compound Fertilizer
Grade, purity, packing, quantity and destination port is all we need to quote.