Powered by Made-in-China.com
Product profile
Customization
AvailableCertification
ISO9001, ISO, CEApplication
Vegetables, Flowers, FruitModel NO.
Seaweed TE FERTILIZERAppearance
LiquidInfection on Soil
Physiological NeutralChemical Character
Chemical NeutralRelease Type
QuickCompound Type
Chelate FertilizerNutrient Composition
Elemental FertilizerType
Mixed Trace Elements FertilizerSolubility
100% SolubleTransport Package
1L, 4L, 5L, 10LSpecification
Micromix SEAWEEDTrademark
SeawinnerOrigin
ChinaProduction Capacity
18000L/MonthKey features
High Solubility: 100% soluble in water for easy application.
Comprehensive Nutrition: Supplements Boron, Fe, Zn, Cu, Mn, and Mg.
Certified Quality: ISO9001, ISO, and CE certified manufacturer.
Flexible Packaging: Available in 1L, 4L, 5L, and 10L sizes.
OEM/ODM Support: Customization services available for brands.
Market Leader: No.1 market share in China seaweed fertilizer.
Free Samples: Free samples up to 500g available upon request.
Fast Response: Quick release type for immediate plant uptake.
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 is the solubility of this product?
A:
The product is 100% soluble in water.
Q:What are the main ingredients?
A:
Main ingredients include organic matter (200g/L), Boron (3g/L), EDTA-Fe (30g/L), EDTA-Zn (16g/L), EDTA-Cu (10g/L), EDTA-Mn (7g/L), and Mg (10g/L).
Q:How should I apply this fertilizer?
A:
For foliar spray, dilute 1:2000-3000 and apply 1-2 times. For fertigation, dilute 1:2000-3000. Stir well before use.
Q:What is the shelf life?
A:
The validity period is two years.
Q:Is OEM or ODM service available?
A:
Yes, OEM and ODM services are available.
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
Seaweed Chelated Cu Fertilizer, Liquid Cu
US$1.50-3.00
1,000 Pieces(MOQ)
Secondary Nutrient Kieserite Fertilizer for Agriculture
US$160.00-200.00
2 Tons(MOQ)
Micro Element Foliar EDTA Seaweed Trace Element Powder Fertilizer
US$6.70-7.00
1 kg(MOQ)
Medium Trace Element Fertilizer Granular Water Soluble Fertilizer
US$0.40-0.80
20 kg(MOQ)
EDDHA-Fe 6% Chelated Iron Fertilizer China Supplyments
US$4,714.00
1 Ton(MOQ)
Factory High Quality Cheap Middle Trace Element Fertilizer Granules
US$0.40-0.80
20 kg(MOQ)
Hot Selling Chelated 100% Water-Soluble Micronutrient Foliar Fertilizer
US$5.70-6.00
1 kg(MOQ)
Chelated Zinc Amino Acid Complex Fertilizer - Light Yellow
US$800.00-1,500.00
5 Tons(MOQ)
Water Soluble EDTA Fe 13% Powder Chelated Iron Fertilizer
US$1,000.00
1 Ton(MOQ)
Silicon Fertilizer Soil Conditioner Secondary Element Fertilizer
US$90.00-100.00
1,000 Tons(MOQ)
EDTA-Cu High Quality Micronutrient Fertilizer for Regulate Plant Fast-Growing
US$1,000.00
1 Ton(MOQ)
Advanced Chelation Technology Amino Acid Micronutrient Zinc Fertilizer
US$800.00-1,500.00
5 Tons(MOQ)
Fertilizer Biostimulant Amino Acid Seaweed Extract Alga Root Shield Plant Nutrition
US$1,000.00
2 Tons(MOQ)
NPK Compound Fertilizer Agricultural Vegetables Fruit Trees NPK 15-5-20 Granular Manufacturers Supply
US$269.00-322.00
27 Tons(MOQ)
Fertilizer EDDHA Fe 6% Trace Element Fertilizer
US$5.00
1,000 kg(MOQ)
Selling at Discounted Pricesgranular Micronutrient Fertilizer, EDDHA Fe 6%
US$1,500.00-2,000.00
20 Tons(MOQ)
Eco-Friendly Additive Herbs Fertilizer for Rapid Plant Nutrient
US$7.80-9.80
200 kg(MOQ)


















