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Seaweed Functional Liquid Fertilizer Best for Rice
US$3.00
2,000 L
Product profile
Customization
AvailableCondition
NewCertification
ISO9001, ISOModel NO.
Alga Phosphite kApplication
Vegetables, Flowers, FruitValidity
Long-termPhysics State
LiquidInfection On Soil
Physiological NeutralChemical Character
Chemical NeutralValid
2 YearTransport Package
Bottle and CartonSpecification
100ml, 250ml, 500ml, 1L, 4L, 5L, 10LTrademark
SeawinnerOrigin
QingdaoKey features
High Nutrient Absorption: Absorption speed is faster than Orthophosphate to rapidly supplement P and K nutrition.
Disease Resistance: Enhances resistance to Downy Mildew, Powdery Mildew, Phytophthora, and Root Rot.
Yield and Quality Boost: Promotes flower bud differentiation, fruit color change, and increases overall yield.
Soil Activation: Not easily fixed in soil, effectively activating secondary nutrients for better utility.
Certified Quality: Manufactured under ISO9001 and ISO certifications ensuring consistent product standards.
Customizable Production: ODM and OEM services available to meet specific client requirements.
Fast Lead Time: Off-season lead time is within 15 workdays for quick order fulfillment.
Versatile Application: Suitable for foliar spray and irrigation on vegetables, flowers, and fruits.
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 ingredients?
A:
The main ingredients are Seaweed Potassium Phosphite (30%-20%), Seaweed Polysaccharides (1%), and Citric acid chelating agent (1%).
Q:How does this fertilizer improve plant health?
A:
It regulates growth, promotes flower bud differentiation, improves fruit quality, and enhances resistance to diseases like Downy Mildew and Root Rot.
Q:What is the recommended application rate?
A:
For foliar spray, use 0.5-2 kg/ha. For irrigation, use 2-4 L/ha.
Q:Is this product suitable for all crops?
A:
Yes, it is applicable for vegetables, flowers, and fruits, helping to increase yield and utility rate of nutrition.
Q:What is the shelf life of the product?
A:
The validity period is long-term, with a specific validity of 2 years.
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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