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Concentrate NPK with Seaweed Extract & Fulvic and Trace Elements
US$2.60-5.00
2,000 L
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableCondition
NewCertification
ISO9001, ISO, CEModel NO.
Seaweed Gel I; II; III; IVApplication
Vegetables, Flowers, FruitState
LiquidValidity
Long-termPhysics State
LiquidInfection On Soil
Physiological NeutralChemical Character
Chemical NeutralRaw Material
Seaweed and NPKType
Compound FertilizerSoluability
100% SolubleOEM
AvailableUsage
Foliar Spray Directly to The CropsCompatibility
Need to Do Jar-Test Before MixingTransport Package
Bottle; DrumSpecification
1L, 5L, 10L, 20LTrademark
SeawinnerOrigin
ChinaProduction Capacity
500, 000L/YearKey features
100% Soluble Formula: Fully soluble in water for efficient foliar spray or drip irrigation application.
Patented Extraction Tech: Uses low-temperature enzymatic fermentation to retain high levels of active seaweed polysaccharides.
Dual Biostimulant Action: Combines seaweed extract with pure natural mineral fulvic acid for enhanced nutrient uptake.
Rapid Visible Results: Users can see outstanding results within 15 days of application.
OEM & ODM Service: Custom branding and formulation services are available for bulk orders.
Soil & Root Health: Improves rhizosphere environment, promotes root growth, and boosts seed germination.
Stress Resistance: Enhances plant resistance against abiotic stresses and virus diseases.
Certified Quality: Manufactured under ISO9001, ISO, and CE certifications for consistent quality.
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:How should this fertilizer be applied?
A:
It can be applied via foliar spray (0.5-2L/ha) or drip irrigation (50-10L/ha) to quickly supplement nutrients.
Q:Is the product fully soluble in water?
A:
Yes, the product is 100% soluble, making it suitable for direct foliar spray and irrigation systems.
Q:What is the main raw material used?
A:
The primary raw materials are seaweed and NPK, combined with pure natural mineral fulvic acid.
Q:How long does it take to see results?
A:
Outstanding results can typically be observed within 15 days of application.
Q:Does the manufacturer offer OEM services?
A:
Yes, OEM and ODM services are available for customers requiring custom branding or formulations.
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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