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Seaweed Macro Element Water Soluble Fertilizer-NPK
Negotiable
20 Tons
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableCertification
ISO9001, ISO, CEApplication
Vegetables, Flowers, FruitModel NO.
21-12-21Appearance
PowderInfection on Soil
Physiological NeutralChemical Character
Chemical NeutralRelease Type
QuickManufacturing Method
Compound FertilizerType
High NPK Water Soluble FertilizerSolubility
100% SolubleTransport Package
10kg, 20kg, 25kg, OEMSpecification
21-12-21Trademark
SeawinnerOrigin
ChinaProduction Capacity
6000mt/MonthKey features
Comprehensive NPK Formula: Available in 21-12-21, 16-6-32, and 18-18-18 ratios for balanced nutrition.
Soil Protection: Neutral formula prevents soil acidification and salinization effectively.
High Absorption Rate: Chelated nutrients are easily absorbed by roots, increasing utilization rate.
Cold and Waterlogging Resistance: Enhances plant resistance to environmental stress like cold and waterlogging.
100% Solubility: Light green powder with 100% solubility for quick release and fertigation.
OEM and ODM Services: Custom manufacturing services available with 41 R&D engineers.
ISO Certified Quality: Manufactured under ISO9001, ISO, and CE certification standards.
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., established in 2000, is a Chinese supplier specializing in seaweed-based fertilizers. They operate over ten production lines, with two bases in Shandong and a vast production area of 280,000 m². They hold several ISO certifications, reflecting a strong focus on quality and environmental management. The company exports to multiple continents, with 21% to 30% of their sales coming from exports. Their products are certified organic by ECOCERT. The company also provides professional agricultural advice, enhancing their after-sales service capability.
Supplier typeThe supplier is a combined entity, operating as a Limited Company in China.
CertificationsThe supplier holds ISO9001:2015, ISO14001:2015, and ISO45001:2016 certifications, indicating adherence to quality, environmental, and occupational health standards.
After-Sales capabilityThe supplier provides professional fertilizer solutions and crop protection advice through an agronomist team, supporting both domestic and international markets.
R&D capabilityThe company focuses on exploiting marine biological resources, suggesting an emphasis on innovative product development.
Production capacityWith over ten production lines and an annual production output of 600,000 tons, the supplier has significant production capacity.
Product Q&A
Q:What are the available NPK ratios?
A:
We offer three ratios: 21-12-21 for balanced growth, 16-6-32 for fruit expansion, and 18-18-18 for balanced nutrition.
Q:How should this fertilizer be applied?
A:
For fertigation, use 75-150kg/ha. For drip irrigation, use 60-75kg/ha. Dosage can be adjusted based on local conditions.
Q:Is the fertilizer suitable for all crops?
A:
Yes, it is designed for vegetables, flowers, and fruits, promoting vigorous growth and improved fruit quality.
Q:What is the shelf life of the product?
A:
The validity period is two years from the date of manufacture.
Q:Can I get a free sample?
A:
Yes, free samples up to 500g are available upon request.
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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