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Root Promoter - Improve Root System Development, Rich in Seaweed & NPK and Micronutrients,
US$3.00-5.00
2,000 L
Sample price:US$1.00/l.Request sample
Product profile
Customization
AvailableCondition
NewCertification
ISO9001, ISO, CEModel NO.
Root PromoterApplication
Vegetables, Flowers, FruitState
LiquidValidity
Quick ActingPhysics State
LiquidInfection On Soil
Soil ConditioningChemical Character
Chemical NeutralRaw Material
Seaweed ExtractType
Commercial Organic FertilizerOEM
AvailableTransport Package
CartonSpecification
1L 5L 10L 20LTrademark
SEAWINNEROrigin
ChinaProduction Capacity
500 Ton/YearKey features
Rich in Seaweed Extract: Contains 20% seaweed extract from Laminaria japonica for root stimulation.
Balanced NPK Nutrition: Formulated with nitrogen, phosphorous, potassium, and trace elements.
Disease Resistance: Increases plant resistance against bacteria and diseases effectively.
Soil Conditioning: Improves soil ecological environment and fertility for better growth.
OEM Service Available: Customization options available for specific brand requirements.
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 is the main ingredient of this root promoter?
A:
The main ingredient is seaweed extract derived from brown kelp Laminaria japonica, containing 20% active ingredients.
Q:How does this fertilizer improve plant health?
A:
It promotes root growth, increases resistance to bacteria and diseases, and improves soil ecological environment.
Q:What are the application methods for this product?
A:
It can be used for fertigation (2-4L/ha) after transplanting or dormancy, or for root dipping before transplanting.
Q:Is OEM service available for this product?
A:
Yes, OEM service is available for this commercial organic fertilizer.
Q:What certifications does this product have?
A:
The product is certified with ISO9001, ISO, and CE.
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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