Powered by Made-in-China.com
Organic Nitrogen Granular NPK Fertilizer in Agriculture
US$105.00
1-15,999 Tons
US$104.00
16,000+ Tons
Sample price:US$1.00/kg.Request sample
Product profile
Customization
AvailableCondition
NewApplication
Vegetables, Flowers, Fruit, CropsState
GranularValidity
Slow-actingPhysics State
SolidTrademark
HaidelOrigin
ChinaKey features
Customized Service Available: We can supply customized service according to your needs.
High Organic Matter Content: Contains up to 80% organic matter for soil improvement.
Multiple NPK Formulations: Available in various ratios like 10-3-4, 8-4-2, and 12-0.5-1.5.
Marine Biological Ingredients: Produced from seaweed extract, fish protein, and chitin.
Slow-Acting Granular Form: Solid granular state ensures slow-acting nutrient release.
Proven Crop Results: Achieved good results in improving soil, quality, and yield.
Professional R&D Team: Backed by 5 R&D engineers and professional production lines.
Fast Lead Time: Average lead time within 15 workdays for both peak and off seasons.
Company profile

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2020-09-17 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤9.59h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryQingdao Haidelong Biotechnology Co., Ltd. is identified as a China-based manufacturer established in 2008, with 102 employees, five production lines, a 600 m² manufacturing plant, and products including seaweed extract, water-soluble fertilizer, microbial fertilizer, chelate trace fertilizer, amino acid, and potassium humate. The supplier states that it has professional production, R&D, and sales teams, and offers customized services. It reports six to ten quality-control staff, five R&D engineers, export capability, Qingdao Port access, and stated lead times within 15 workdays in both peak and off-peak periods. However, the supplied information does not confirm certifications, formal after-sales arrangements, audited financial strength, or sufficient customer-case detail. One trade record is shown, but this is insufficient to establish a broad customer track record.
Supplier typeThe supplier is explicitly classified as a manufacturer and limited company, while associated-company information identifies wholesale and retail activity. Its stated business focuses on R&D, production, import, export, and agricultural technology services, supporting a manufacturing-oriented supplier profile.
R&D capabilityThe supplier states that it is engaged in R&D of organic and environmentally friendly fertilizers, has an R&D team, and has developed or supplies products such as seaweed extract, microbial fertilizer, chelate trace fertilizer, amino acid, and potassium humate. This provides explicit evidence of product-development activity, although no patents, laboratory facilities, or quantified R&D achievements are given.
Production capacityThe supplier reports a professional production line, five operating production lines, a 600 m² manufacturing plant, 102 employees, and six to ten quality-control staff. It also states lead times within 15 workdays during both peak and off-peak seasons, indicating stated operational capacity, though independent verification of capacity and delivery performance is unavailable.
Customization capabilityThe supplier explicitly states that it can provide customized service according to customer needs. No limitations, customization examples, or technical parameters are supplied, but the stated capability directly supports this field.
Product Q&A
Q:What are the main ingredients of this fertilizer?
A:
The fertilizer is made from marine biological products such as seaweed extract, fish protein, and chitin, with high organic matter content.
Q:Is customization available for this product?
A:
Yes, we can supply customized service according to your specific needs.
Q:What NPK ratios are available?
A:
We offer various formulations including 10-3-4, 8-4-2, 12-0.5-1.5, and 12-0-3.
Q:What is the lead time for orders?
A:
The average lead time is within 15 workdays for both peak season and off season.
Q:What is the physical state of the fertilizer?
A:
It is a solid granular fertilizer with a slow-acting validity.
Send Inquiry
*To:
Qingdao Haidelong Biotechnology Co., Ltd.
Qingdao Haidelong Biotechnology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Organic NPK Granular Fertilizer for Agriculture Use
US$200.00-300.00
5 Tons(MOQ)
Organic Nitrogen Granular NPK Fertilizer
US$104.00-105.00
1 Ton(MOQ)
Hot Sale NPK Organic Fertilizer with Humic Acid Amino Acid NPK10-10-10 Black Granular Fertilizer
US$0.16-0.36
20,000 kg(MOQ)
High Quality Granular, Flake, Powder Water Soluble Organic Fertilizer with NPK
US$0.36-0.69
20,000 kg(MOQ)
Wholesale Factory Price High Quality NPK Seaweed Organic Granular Fertilizer for Agriculture
US$180.00-300.00
25 Tons(MOQ)
Provide Free Samples of Bio Organic Nitrogen Granular Agriculture Fertilizer
Negotiable
5 Tons(MOQ)
High Quality Organic Granular Fertilizer with NPK and Amino Acid
US$300.00-500.00
20 Tons(MOQ)
Hot Sale Factory Price NPK Seaweed Organic Granular Fertilizer for Agriculture
US$180.00-300.00
25 Tons(MOQ)
Provide Free Samples of Organic Agriculture Nitrogen Granular Fertilizer
Negotiable
5 Tons(MOQ)
Organic Agriculture NPK Seaweed Extract Granular Powder Fertilizer
US$5.00-7.00
500 kg(MOQ)
Organic Agriculture Bio Seaweed Extract Fertilizer with NPK Granular Powder Composition
US$5.00-7.00
500 kg(MOQ)
Factory Price Base Fertilizer for Agriculture Plant NPK+ Organic Granular Fertilizer
US$118.00-266.00
27 Tons(MOQ)
Seaweed Compound Granular Fertilizer NPK 12-6-12 Rich in High Organic Matter
US$540.00
25 Tons(MOQ)
NPK 12-0-1/8-0-0/12-3-3 Organic Compound Granular Fertilizer for Agriculture
US$180.00-300.00
25 Tons(MOQ)
Organic Fertilizer Black Granular NPK 30-0-0 Fulvic Acid Organic Nitrogen Fertilizer
US$105.00-129.00
25 Tons(MOQ)
Wholesale NPK Granular Fertilizer for Agriculture Customized Fertilizer
US$200.00-300.00
5 Tons(MOQ)



















