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Product profile
Customization
AvailableCondition
UsedCertification
ISO9001, ISOModel NO.
SeagreenApplication
Vegetables, Flowers, Fruit, Field CropsState
BrownValidity
Long-termPhysics State
LiquidInfection On Soil
No Requirement for SoilChemical Character
Chemical NeutralRaw Material
SeaweedType
Commercial Organic FertilizerSolubility
100%Transport Package
1L/5L/10L/20L/200L/1000LSpecification
SeagreenTrademark
SeawinnerOrigin
ChinaProduction Capacity
1Key features
natural green seaweed extract
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 their concentrations?
A:
The main ingredients include 40g/L organic matter, 65g/L MgO, 20g/L alginic acid, 50g/L S, and 8g/L B and Mo.
Q:How should this product be applied?
A:
It is applied as a foliar spray at a rate of 1-5 liters per hectare.
Q:What are the primary benefits of using this seaweed extract?
A:
It supplements magnesium, promotes photosynthesis and leaf growth, activates endogenous enzymes, increases yield, and enhances stress resistance.
Q:Is OEM or ODM service available?
A:
Yes, OEM and ODM services are available, with over 500 mature formulations to choose from.
Q:What certifications does the manufacturer hold?
A:
The manufacturer holds ISO9001, ISO14001, ECOCERT, and OMRI organic certificates.
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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