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Product profile
Customization
AvailableCondition
NewCertification
ISO9001, ISOModel NO.
Seawinner 818Application
Vegetables, Flowers, Fruit, SoybeanState
Dark YellowValidity
Long-termPhysics State
SolidInfection On Soil
Physiological NeutralChemical Character
Chemical NeutralRaw Material
SeaweedType
Commercial Organic FertilizerTransport Package
1kg, 20kgSpecification
30%Trademark
SeawinnerOrigin
ChinaProduction Capacity
100mt/MonthKey features
High Efficacy Formula: Contains 30% Alginic Acid, 18 Amino Acids, and 2.3% Chelated Medium-Trace Elements.
Cost Efficiency: 3-in-1 formulation replaces multiple products, reducing SKU pressure and costs.
Fast Dissolving: Yellow powder with low viscosity dissolves very fast to improve blending efficiency.
Safe Appearance: Transparent solution with light color; no staining on fruits and flowers.
Stable pH: Near-neutral pH remains stable under both acid and alkaline conditions.
High Compatibility: Excellent compatibility with fertilizers and pesticides for easier formulation.
Trusted Manufacturer: Asia's biggest seaweed extract manufacturer with over 100 patents and 4 factories.
Customization Support: ODM and OEM services available to meet specific client requirements.
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: ≤24h 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 ingredients?
A:
The product contains 30% Alginic Acid, 18 Amino Acids, and 2.3% Chelated Medium-Trace Elements.
Q:Is this fertilizer suitable for all crops?
A:
Yes, it is applicable to vegetables, flowers, fruits, and soybeans.
Q:Does it stain fruits or flowers?
A:
No, it forms a transparent solution with light color and does not stain fruits or flowers.
Q:How fast does it dissolve?
A:
It is a yellow powder with low viscosity that dissolves very fast, improving blending efficiency.
Q:Can I customize the product?
A:
Yes, we offer both OEM and ODM services for customization.
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
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