Powered by Made-in-China.com
Seafun-Green Color Seaweed Functional Fertilizer
Negotiable
2,000 L
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableCertification
ISO9001, ISOApplication
Vegetables, Flowers, FruitModel NO.
seafunAppearance
LiquidInfection on Soil
Physiological NeutralChemical Character
Chemical NeutralRelease Type
QuickManufacturing Method
EnzymolysisType
SeaweedClassification
Organic FertilizerTransport Package
1L, 4L, 5L, 10L, 20LSpecification
seafunTrademark
SeawinnerOrigin
ChinaProduction Capacity
20000L/MonthKey features
Organic Certification: Certified as Organic Fertilizer with ISO9001 and ISO standards.
Stress Resistance: Enhances plant resistance to stress and disease through chelated micronutrients.
Yield Improvement: Increases fruit set ratio and prevents flowers and fruits from dropping.
Quality Enhancement: Improves quality and appearance of fruits while prolonging storage life.
Rapid Nutrient Correction: Rapidly corrects micronutrient deficiencies with full spectrum chelated nutrients.
Flexible Packaging: Available in various sizes: 100ml, 250ml, 500ml, 1L, 4L, 5L, 10L.
Customization Support: ODM and OEM services available with registration support.
Market Leadership: From Qingdao Seawin Biotech Group, No.1 Market Share in China.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2004-06-01 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤18h CertifiedTerms of Payment: LC, T/T, Western Union
AI-Powered supplier vetting
SummaryQingdao Seawin Biotech Group Co., Ltd. is a China-based limited company founded in 2000, with 556 employees and operations in Shandong. It is identified as a manufacturer and processor focused on seaweed fertilizers, organic fertilizers, NPK fertilizers, fertilizer equipment, and related products. The supplier reports more than 10 production lines, a 260,000 m² manufacturing plant, annual seaweed extract and finished-product output of 600,000 tons, and export markets in South America, Europe, and North America. Its agronomist team provides fertilizer solutions and crop-protection advice, while reported certifications include ISO 9001, ISO 14001, ISO 45001, and ECOCERT organic-input certification. The available data supports strong production capability, certification coverage, and technical support. However, evidence is insufficient to confirm customization capability, financial credibility, or established customer cases; the trade records provided show only one transaction per listed buyer.
Supplier typeThe supplier is a limited company founded in 2000 and is explicitly described as a professional manufacturer focused on the exploitation, development, production, and marketing of marine biological products. Its product keywords and manufacturing descriptions identify it as a producer of seaweed fertilizer, organic fertilizer, NPK fertilizer, and fertilizer equipment rather than solely a trading company.
CertificationsThe supplier reports ISO9001:2015, ISO14001:2015, and ISO45001:2016 management-system certificates. Its SEAWINNER organic fertilizers are also stated to be certified by ECOCERT as organic agricultural inputs under both EU and NOP standards, providing explicit evidence of multiple quality, environmental, occupational-safety, and product certifications.
R&D capabilityThe supplier reports 41 years of total R&D-engineer experience and describes development and industrial utilization of marine biological resources. Its agronomist team provides professional fertilizer solutions and crop-protection advice, indicating technical development capability, although the slices do not provide specific R&D projects, patents, laboratories, or newly developed products.
Production capacityProduction capability is strongly supported by 556 employees, more than 10 production lines, a reported 260,000 m² manufacturing plant, two Shandong production bases, and stated annual output of 600,000 tons of seaweed extract and finished products. The supplier also reports lead times of within 15 workdays in off-peak periods and one month during peak periods, further indicating organized manufacturing capacity.
Product Q&A
Q:What are the main benefits of this seaweed fertilizer?
A:
It contains full spectrum chelated micronutrients to correct deficiencies, promotes root and sprout growth, enhances stress resistance, increases fruit set, and improves fruit quality and storage life.
Q:How should the fertilizer be applied?
A:
For foliar spray, dilute 1:1000 and apply 3-4 times during the growing period. For seed treatment, use 2-3 liters per ton of seeds.
Q:What is the shelf life of the product?
A:
The validity period is two years.
Q:Is this product certified as organic?
A:
Yes, the classification is Organic Fertilizer, and it holds ISO9001 and ISO certifications.
Q:What are the available packaging sizes?
A:
Packaging options include 100ml, 250ml, 500ml, 1L, 4L, 5L, and 10L.
Send Inquiry
*To:
Qingdao Seawin Biotech Group Co., Ltd.
Qingdao Seawin Biotech Group Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Manufacturers Supply High-Quality Water-Soluble Organic Fertilizer Seaweed
US$300.00-500.00
25 Tons(MOQ)
Green Fertilizer NPK 16-16-16 Water Soluble Fertilizer Factory Price Sales
US$256.00-315.00
27 Tons(MOQ)
NPK Water Soluble Fertilizer 20-20-20
US$400.00
100 Tons(MOQ)
Seaweed Fertilizer 99.5% Min Dark Brown Powder C6h12o4coona Mudanjiang Fengda Factory Supply 9005-32-7 Seaweed Fertilizer
US$2,700.00-3,600.00
10 Tons(MOQ)
Harvest Granular - Seaweed Compound Granular Fertilizer Series
US$0.50
26,000 Tons(MOQ)
Compound Granular Slow Release NPK Fertilizer 18-4-18 for Greens or Fairway for 180days
US$1,248.00-1,761.00
16,000 Tons(MOQ)
Seaweed Fertilizer Fengda Factory Supply 99.5% Min Dark Brown Powder Price C6h12o4coona 9005-32-7 Seaweed Fertilizer
US$2,700.00-3,600.00
10 Tons(MOQ)
NPK Slow Release Compound Fertilizer 7-12-18 Widely Used for Golf Greens and Fairway
US$600.00-800.00
16,000 Tons(MOQ)
Lvyin Golf Turf Fertilizer for Green NPK 8-3-25
US$880.00-980.00
10 Tons(MOQ)
Green Environmental Protection Organic NPK 14-18-18 Compound Fertilizer
US$245.00-298.00
27 Tons(MOQ)
Greens Grade Fertilizer Balance Slow Release NPK Lawn Fertilizer Spreader Last for 180days
US$1,248.00-1,761.00
16,000 Tons(MOQ)
OEM Any Color Granular Fully Water-Soluble Fertilizer Mixed NPK 15-5-25
US$277.00-311.00
27 Tons(MOQ)
Premium Soluble NPK Fertilizer for Lush Green Plants
US$750.00-850.00
2 Tons(MOQ)
High quality Seaweed Extract Fertilizer
US$1.00-300.00
200 Tons(MOQ)
OEM Blue Color Powder Water Soluble NPK Fertilizer 202020 Te
US$555.00-850.00
5 Tons(MOQ)
Seaweed Fertilizer Supply 99.5% Min Dark Brown Powder Price C6h12o4coona 9005-32-7 Seaweed Fertilizer
US$2,700.00-3,600.00
10 Tons(MOQ)
Cheap Price NPK Compound Fertilizer OEM Color OEM Granular Fertilizer
US$200.00-400.00
100 Tons(MOQ)
Seaweed Water Soluble Fertilizer Organic and Non Organic Fertilizer-Amino Zinc
US$10,000.00
3,000 liters(MOQ)
Green Soluble NPK Fertilizer with Natural Source and 100% Water Solubility
US$750.00-850.00
2 Tons(MOQ)



















