What payment terms are accepted?

We accept LC, T/T, and Western Union as standard terms of payment.

Is the product certified?

Yes, our products are ISO certified to ensure quality and safety standards are met.

What types of crops can this fertilizer be used for?

It is suitable for vegetables, flowers, and fruits, and can be added to foliar or special purpose fertilizers.

Seaweed NPK Organic Inorganic Granular Fertilizer

Name: Seaweed NPK Organic Inorganic Granular Fertilizer
Brand: Qingdao Seawin Biotech Group Co., Ltd.
SKU: 2047692992

Shandong, ChinaQingdao Seawin Biotech Group Co., Ltd.

US$800.00

500 kg

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Condition

New

Certification

ISO

Model NO.

Seaweed Compound Granular

Application

Vegetables, Flowers, Fruit

State

Granular

Validity

Long-term

Physics State

Powder

Infection On Soil

Physiological Acid

Chemical Character

Chemical Acid

Raw Material

Manure

Type

Miscellaneous Fertilizer

Transport Package

20kgs/Bag

Specification

20KGS

Trademark

SEAWINNER

Origin

China

HS Code

310590

Production Capacity

500000tons/Year

Key features

Seaweed Extract Content: Contains 5-10% seaweed extract to boost plant growth and stress resistance.

NPK Ratio Options: Available in various NPK ratios including 12-6-12, 10-10-10, and 15-15-15.

Organic Matter Source: Raw material derived from manure, providing natural organic matter for soil.

Versatile Application: Suitable for vegetables, flowers, and fruits; can be mixed into foliar fertilizers.

ISO Certified Quality: Manufactured under ISO certification ensuring consistent product quality and safety.

Customizable Formulation: ODM and OEM services available for tailored fertilizer specifications and packaging.

Long-Term Validity: Designed for long-term stability and effectiveness in agricultural applications.

Manufacturer Direct: Direct from a large-scale factory with 260,000 sqm plant area and 556 employees.

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.