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Seaweed Caboron-Calcium and Boron Fertilizer
Negotiable
2,000 L
Product profile
Customization
AvailableCertification
ISO9001, ISO, CEApplication
Vegetables, Flowers, FruitModel NO.
Seaweed CaboronAppearance
LiquidInfection on Soil
Physiological NeutralChemical Character
Chemical NeutralRelease Type
QuickNatural Seaweed Extract
300Transport Package
1L, 4L, 5L, 10LTrademark
SEAWINNEROrigin
Qingdao, ChinaProduction Capacity
6000L/YearKey features
High Concentration Formula: Contains 300g/L Seaweed Extract, 150g/L CaO, and 10g/L B2O3 for potent nutrient delivery.
Corrects Deficiencies: Rapidly corrects boron or calcium deficiency to enhance pollen viability and fruit set.
Protects Flowers and Fruit: Prevents flower and fruit shedding while improving cell wall composition and hardness.
Boosts Disease Resistance: Improves plant ability to resist diseases and increases overall nutrient utilization rate.
Versatile Application: Suitable for vegetables, flowers, and fruit trees via foliar spray diluted at 1:1500-2000.
Certified Quality: Manufactured under ISO9001, ISO, and CE certifications ensuring product reliability.
Flexible Packaging: Available in multiple sizes: 100ml, 250ml, 500ml, 1L, 4L, 5L, and 10L.
Custom OEM/ODM Service: Supports OEM and ODM services with 41 R&D engineers for tailored fertilizer solutions.
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 and concentrations?
A:
The product contains 300g/L Natural Seaweed Extract, 150g/L CaO, and 10g/L B2O3.
Q:How should this fertilizer be applied?
A:
It is used for foliar spray. Dilute at a ratio of 1:1500 to 1:2000. Stir or shake well before use.
Q:What is the recommended application frequency for fruit trees?
A:
Apply 1 time at bud emergence and 2 times within 2 weeks after flowering.
Q:How often should vegetables be treated?
A:
Apply 2-3 times during the growing period for vegetables.
Q:What is the shelf life of the product?
A:
The validity period is two years from the date of manufacture.
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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