Qingdao Sonef Chemical Co.,Ltd is a professional manufacturer of NPK fertilizer and organic fertilizer products in China
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NPK Fertilizer 15-20-25 Granular suitable For Vegetable
NPK Fertilizer 15-20-25 Granular suitable For Vegetable
NPK Fertilizer 15-20-25 Granular suitable For Vegetable
NPK fertilizer is primarily composed of three main elements: Nitrogen (N), Phosphorus (P), and Potassium (K), each of these being essential in plant nutrition. Sonef chemicals is a professional manufacturer and supplier of NPK Fertilizer in China.

Product Description

NPK fertilizers are soil amendments applied to promote plant growth, the main nutrients added in fertilizer are nitrogen, phosphorus, potassium,other nutrients are added in smaller amounts. Ammonia is main source of nitrogen. Urea is the main productfor making nitrogen available to plant. Phosphorous is made available in form of super phosphate, Ammonium phosphate. Muriate of Potash (Potassium Chloride) is used for supply of Potassium. 

Product Name NPK Fertilizer 15-20-25 Granular suitable For Vegetable
Item  Compound NPK fertilizer
Formula N-P2O5-K2O
State Granular/Powder fertilizer
Colour white,red,yellow,OEM color
Granular size 2-5mm
Moisture content <2%
Release Type Quick
Purity 100%
Certification ISO9001,SGS
Packing 9.9kg PP Woven Bag
Advantage Can do special formula fertilizer as you request.
Also can add other nutrition element according to your request


NPK  Item Standard Test result
2 Total Niteogen 15%MIN 15%
3 P2O5 20% 20%
4 K2O 25%MIN 25%
5 Color Blue Blue
6 MgO 1.0%MIN 1.1%
7 B - 0.02%
8 Zn - 0.05%

Product Advantage

High water solubility
Particle uniformity
Adequate supply,short delivery
A variety of nitrogen sources
Scientific formula,nutritionally balanced
Soil testing,local service,technical support,scientific guidance
Sulfur low chlorine,soil improvement,stress tolerance and disease prevention,improve the quality of crop

Our Advantage

Supply various nitrogens with different sources according to the crops need
By using most particular formulas and in scientific fertilization methods
Provide local services like soils test by local agencies
Different formulations to meet different needs of growing crops for nutrients


Foliar application: Dilute 800-1200 times, with 7 to 10 day intervals
Fertigation: 45-75kg/ha, with 7 to 10 day intervals

  Introduction Applicable crops Application methods Usage
MOP Potassium chloride suitable for the crops which like chlorine ,for example, Spinach,millet, 
hibiscus cannabinus,chrysanthemum,rice sorghum ,
Used as a basic fertilizer and top dressing 
Different crops ,
different dosage .
300-500 kg per
Hectare. Different crops ,different
dosage .
SOP potassium sulphate Almost apply to all the crops ,Paddy field decrease the dosage
NOP potassium nitrate

 Flowers: Lilies, Carnations, Flower seedlings
 Vegetables: Tomatoes, Peppers, Cucumbers, Lettuce, Cabbages, Eggplants, Cauliflowers, Potatoes, Vegetable seedlings
 Fruit crops: Table grapes, Apples, Bananas, Watermelons, Muskmelons

It is a quick acting manure in high concentration. It could meet the Nitrogen, Phosphorus and Potassium requirement of various crops and plants, using as base fertilizer, seed fertilizer and top application, especially in the drought, rainless area with deep placement. It could be widely used in vegetables, fruits, paddy rice and wheat, especially in deficient soil.
NPK fertilizer using advanced "Melting Spraying Tower Granulation" process for producing Full-nutrients-type Compound Fertilizers, of sound traits and stable qualities. Rimed at melting state, every single fertilizer granule is of nutrients- complete -and-balanced, and due to pores on the surface, itis faster water-absorptive for a better averaged nutrients release

1. Welcome customization and OEM different formula.
2. Supply Sulfur-based, Chloride-based, Nitrate based
3. Flexible adding inorganic matter, Ca,Mg, and Te
4. Supply control-release additives if need.

Our Company
 Qingdao Sonef Chemical Co.,LTD are a professional manufacturerand exporte for fertilizers and concerned chemical products in China. Established in 2004 years, we are a high tech company with research,production, and export, technical service, which has the strong technical forceand the professional scientific research and technical persons.Our point products such as: NPK compound fertilizer, biofertilizer, adblue Urea, Functional Microbial Fertilizer, Organic-Inorganic fertilizer ect.


Product Name                                   NPK Fertilizer
Formula 5-25-15 15-15-15 17-17-17 18-18-18
19-19-19 10-52-10 13-7-40 15-5-30
15-30-15 20-10-30 30-10-10 18-24-8
25-0-0 16-6-18 26-14-5 16-14-20
25-0-5 15-5-21 16-26-6 17-17-17
26-0-6 18-6-18 12-10-18 18-14-20
20-8-6 22-8-12 12-23-10 30-13-10
30-5-0 18-9-18 15-15-15 18-18-18
30-0-6 32-9-11 27-11-10 29-16-10
25-5-6 15-10-5 13-20-15 20-20-24(S)
30-5-5 26-13-0 16-16-16 26-10-24(S)
33-8-5 17-18-5 18-22-10 16-20-24(S)
13-7-40 26-10-6 18-16-16 20-20-20(Te)
NOTE can do special formula as your request
NPK Water Soluble Fertilizer 20-20-20+TE 15-15-15 16-16-16
4-35-34 17-17-17 17-7-17
10-52-10 18-18-18 19-19-19
13-7-40 18-52-17 12-5-42
15-5-30 12-7-33 10-5-40
15-30-15 10-52-7 25-25-25
20-10-30 15-65-15 15-10-50
30-10-10 30-9-9 30-20-10
NPK Compound Release Fertilizer 5-25-15 14-14-14 3-11-38
15-15-15 8-52-17 29-10-10
17-17-17 20-8-10 6-20-24
18-18-18 9-45-15 9-12-9
19-19-19 30-5-5 27-11-10
18-24-8 28-14-14 26-11-11
NPK Controlled Fertilizer 
5-25-15 29-16-10 24-9-9
19-19-19 28-8-8 24-6-10
Can do special formula. Also can add other nutrition element as your request

Packaging Details: 9.5kg, 9.8kg, 9.9kg/bag, 25mt/20'fcl, or according to buyer's request. 
Storage: in airy and dry place, avoided moisture, water, rain or fire.

Our Service
1.We have established subcompanies in Vietnam , we can provide local service
2.Fast shipment by reputed shipping line
3.Packing with pallet as buyer's special request
4.Best service after shipment
5.Cargoes together with container sales service available
6.Cargoes photo before and after loading into container
7.Raw materials from GMO free
8.Our aim is to gain the margin profit and offer you the best service
9.Full experience of full or mixed container loading in Chinese sea port

1.Q:Are you a factory or trading company?
      A:We are a factory.
2.Q:Where is your factory located?How can I visit there?
      A:our factory is located in Shandong province,china,all our clients,from or abroad,are warmly welcome to visit us!
3Q:How can I get some samples ?
     A:we are honored to offer you samples
4.Q:How does your factory do regarding quality control?
     A:quanlity is priority. Sonef people always attach great importance to quality controlling from the very beginning to  the very end. our factory has gained ISO,SGS authentication.
5.Q:Is the Price on this page correct?
     A:All the listed price is only for reference, for latest price, please contact us directly.

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