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Seaweed Organic Matter Granular Fertilizer Plus Bacillus
US$0.50
26,000 L
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableCertification
ISO9001, ISO, CEApplication
Vegetables, Flowers, FruitModel NO.
Microbial Organic Granular FertilizerAppearance
GranularInfection on Soil
Physiological NeutralChemical Character
Chemical NeutralRelease Type
QuickColor
Black BrownTransport Package
100g, 500g, 1kg, 10kg, OEMSpecification
Rich HarvestTrademark
SeawinnerOrigin
ChinaProduction Capacity
60000mt/MonthKey features
High Microbial Content: Contains 200 million effective bacilli per gram for superior soil health.
Rich Organic Composition: Features 40% organic matter and 20% seaweed extract for long-term fertility.
Soil Structure Improvement: Promotes water retention, aeration, and beneficial microorganism reproduction.
Versatile Application: Suitable for vegetables, flowers, and fruit as base fertilizer or topdressing.
Neutral Chemical Profile: Physiologically and chemically neutral, safe for diverse soil types.
ISO Certified Quality: Manufactured under ISO9001, ISO, and CE certification standards.
OEM and ODM Services: Custom branding and formulation services available for partners.
Market Leading Manufacturer: Qingdao Seawin holds the No.1 market share in China for seaweed fertilizer.
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 is the recommended dosage for application?
A:
Apply 600-900 kg/ha as base fertilizer or 300-450 kg/ha as topdressing.
Q:How long is the validity period of the fertilizer?
A:
The product has a validity period of two years from the date of manufacture.
Q:Can I get a free sample before placing an order?
A:
Yes, free samples up to 500g are available upon request.
Q:Does the company offer OEM or ODM services?
A:
Yes, both OEM and ODM services are available for custom requirements.
Q:What are the payment terms accepted?
A:
We accept LC, T/T, and Western Union as payment methods.
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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