What is the physical appearance of the fertilizer?

The product appears as a liquid with a chemical acid character and quick release type.

Does the product improve crop stress tolerance?

Yes, it is rich in seaweed extract active compounds that make crops stronger and enhance their stress tolerance.

Is the fertilizer safe for the soil?

Yes, it has a physiological neutral impact on the soil.

Seaweed Fe- Prevent& Correct Leaf Yellowing Caused by Iron Deficiency

Name: Seaweed Fe- Prevent& Correct Leaf Yellowing Caused by Iron Deficiency
Brand: Qingdao Seawin Biotech Group Co., Ltd.
SKU: 1961019312

Shandong, ChinaQingdao Seawin Biotech Group Co., Ltd.

US$3.00-6.00

1,000 L

Sample price:US$2.00/liter.Request sample

Product profile

Customization

Available

Certification

ISO9001, ISO, Reach

Application

Vegetables, Flowers, Fruit, Cultivos

Model NO.

Seaweed Fe

Appearance

Liquid

Infection on Soil

Physiological Neutral

Chemical Character

Chemical Acid

Release Type

Quick

Compound Type

Seaweed Fe

Nutrient Composition

Elemental Fertilizer

Type

Transport Package

Bottle/Drum

Specification

1L/5L/10L/20L/200L/1000L

Trademark

Seawinner

Origin

Shandong/China

Production Capacity

50000pieces/Year

Key features

Corrects Iron Deficiency: Seaweed chelated iron effectively prevents and corrects leaf yellowing caused by iron deficiency.

High Nutrient Content: Contains 60% Elemental Fe, 70% Alginic acid, and 80% Organic matter for potent plant nutrition.

Boosts Root Growth: Seaweed polysaccharides serve as organic carriers to improve iron translocation and stimulate root growth.

Enhances Stress Tolerance: Rich in seaweed extract active compounds to make crops stronger and enhance stress tolerance.

Improves Efficiency: Alginic acid chelated Iron helps increase fertilizer use efficiency and promotes maturity of new leaves.

Fast Acting Formula: Quick release type liquid fertilizer designed to accelerate yellow leaves turning green rapidly.

Certified Quality: Product meets ISO9001, ISO, and Reach certification standards for safety and quality assurance.

Versatile Application: Suitable for vegetables, flowers, and fruits with physiological neutral impact on soil.

Company profile

Qingdao Seawin Biotech Group Co., Ltd.

Shandong, China

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.