Powered by Made-in-China.com
Seaweed Functional Fertilizer Seagreen-Improve Yellowing Problems
US$1.00
1 kg
Sample price:US$1.00/kg.Request sample
Product profile
Customization
AvailableCondition
NewCertification
ISO9001, ISOModel NO.
90-60-0Application
Vegetables, Flowers, Fruit, SoybeanState
BrownValidity
Long-termPhysics State
LiquidInfection On Soil
No Requirement for SoilChemical Character
Chemical NeutralRaw Material
Brown SeaweedType
Commercial Organic FertilizerTransport Package
1L/5L/10L/200L DrumSpecification
90-60-0Trademark
SeawinnerOrigin
ChinaProduction Capacity
30000L/MonthKey features
Rich in SEAD and Amino Acids: Comprehensive nutrition supplement to address crop nutrient deficiencies and weak growth.
Improves Crop Quality: Promotes thick, shiny, and tough leaves with strong photosynthesis and nutrient accumulation.
Brown Seaweed Raw Material: Made from high-quality brown seaweed, ensuring natural and effective organic composition.
Versatile Crop Application: Suitable for vegetables, flowers, fruits, and soybeans without specific soil infection requirements.
Certified Quality Assurance: ISO9001 and ISO certified manufacturer with advanced technology and guaranteed quality.
Customizable OEM/ODM Service: Supports OEM and ODM services to meet specific client branding and formulation needs.
Competitive Pricing: Offers competitive prices combined with advanced technology and reliable supply chain.
Long-Term Validity: Ensures long-term effectiveness and stability for consistent crop growth support.
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 are the main benefits of Seagreen fertilizer?
A:
It addresses crop nutrient deficiencies, promotes thick and shiny leaves, enhances photosynthesis, and improves overall crop growth and yield.
Q:What crops can this fertilizer be applied to?
A:
It is suitable for vegetables, flowers, fruits, and soybeans, with no specific requirements for soil infection.
Q:What is the raw material used in this fertilizer?
A:
The fertilizer is made from brown seaweed, which is rich in SEAD, amino acids, and various macro, medium, and trace elements.
Q:Does the manufacturer support OEM or ODM services?
A:
Yes, the manufacturer offers both OEM and ODM services to customize products according to client needs.
Q:What are the payment terms and lead times?
A:
Payment terms include LC, T/T, and Western Union. Lead time is one month during peak season and within 15 workdays during the off-season.
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
You may also like
Seaweed Gel, Seaweed Functional Fertilizer, Improve Soil Environment, Increase Fertilizer Utilization Rate
US$1.00-10.00
1,000 LITER(MOQ)
Seaweed Extract Micro Granular High Quality Seaweed Functional Fertilizer Used for Rooting
US$1.00-10.00
1,000 kg(MOQ)
Bio Organic Seaweed Fertilizer to Activate Soil and Improve Soil Quality
US$2.40-2.60
1,000 kg(MOQ)
Seaweed Fertilizer-Root Promoter-Liquid Functional Fertilizers-Root Setting Water
US$2.00-4.00
2,000 Litter(MOQ)
Seaha Seaweed Functional Liquid Fertilizers Plant Nutri - NPK Fertilizers
US$1.50-5.00
2,000 liters(MOQ)
Bio Organic Liquid Seaweed Fertilizer to Activate Soil and Improve Soil Quality
US$1.50-2.50
12 L(MOQ)
Hot Sell Bio Organic Liquid Seaweed Fertilizer to Improve Soil Quality
US$1.60-1.80
1,000 L(MOQ)
Liquid Seaweed Organic NPK Fertilizer
US$0.80-2.00
2,000 Litre(MOQ)
Organic Seaweed Alga Fertilizer with Essential Mn & Zinc
US$1.50-2.00
2,000 Litre(MOQ)
Organic Seaweed Micronutrient Iron Fertilizer for Healthy Growth
US$1.50-2.00
2,000 Litre(MOQ)
Agriculture Customizable Liquid Seaweed Organic Fertilizer
US$0.80-2.00
2,000 Litre(MOQ)
Omri Organic Fertilizer Water Soluble Seaweed Kelp Extract Bio Fertilizer
US$2.98-3.50
1 kg(MOQ)
Seaweed Extract Organic Fertilizer Improve Yield and Quality
US$2,500.00-2,600.00
5 Tons(MOQ)
Seaweed Extract Fertilizer for Soaking Seeds to Improve Seed Germination Rate
US$3,000.00-5,000.00
1 Ton(MOQ)
China Hot Sell Best Organic Fertilizer Seaweed Extract Liquid
US$2.50-3.20
500 Liter(MOQ)
100% Water Soluble Seaweed Extract Fertilizer for Improve Crop Quality
US$2,955.00-2,970.00
13 Tons(MOQ)
Seaweed Extract Functional Fertilizers Plant Growth Regulator Nutrition
US$1.50-3.50
100 kg(MOQ)



















