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Super Water Soluble Fulvic Acid Potassium
US$1.60
2,000-9,999 kg
US$1.50
10,000+ kg
Product profile
Customization
AvailableCondition
NewCertification
ISO9001Model NO.
Fulvic Acid PotassiumApplication
Vegetables, Flowers, FruitState
PowderValidity
Long-termInfection On Soil
Physiological NeutralChemical Character
Chemical NeutralRaw Material
Brown CoalType
Raw MaterialExpire Date
3 YearsTransport Package
Paper BagSpecification
20kg/bagTrademark
SeawinnerOrigin
QingdaoHS Code
310590Production Capacity
50000mt/YearKey features
Water Soluble Formula: Black or brown flakes that dissolve easily with good resistance to hard water.
No Residue Deposit: Ensures no ferrous flocculation or deposit, keeping irrigation systems clean.
Neutral Soil Impact: Physiologically and chemically neutral, safe for soil health.
OEM/ODM Support: Customization services available with a 3-year validity period.
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:Is the product soluble in water?
A:
Yes, it is water-soluble and comes in black or brown flakes with good resistance to hard water.
Q:What crops can this fertilizer be applied to?
A:
It is suitable for application on vegetables, flowers, and fruit crops.
Q:Does it cause residue or clogging in irrigation systems?
A:
No, it features no ferrous flocculation or deposit, preventing blockages.
Q:What is the shelf life or validity period?
A:
The product has a long-term validity with an expire date of 3 years.
Q:Is OEM or ODM service available?
A:
Yes, OEM and ODM services are available for customized requirements.
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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