Does the manufacturer support OEM or ODM services?

Yes, OEM and ODM services are available, supported by 41 R&D engineers.

What certifications does the product hold?

The product is certified by ISO9001, TUV, GMP, and ISO.

What are the main benefits of using this fertilizer?

It regulates plant growth, improves stress resistance, promotes mineral absorption, and significantly increases yield and quality.

Black Seaweed Extract Powder / Flake From Automatic Flagship Manufacture 100% Soluble

Name: Black Seaweed Extract Powder / Flake From Automatic Flagship Manufacture 100% Soluble
Brand: Qingdao Seawin Biotech Group Co., Ltd.
SKU: 2043251352

Shandong, ChinaQingdao Seawin Biotech Group Co., Ltd.

US$1.00-3.00

2,000 kg

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Condition

Used

Certification

ISO9001, TUV, GMP, ISO

Model NO.

Seaweed Extract Powder Multi Pure Seaweed Extract

Application

Vegetables, Flowers, Fruit

State

Powder

Validity

Quick Acting

Physics State

Solid

Infection On Soil

Physiological Alkaline

Type

Commercial Organic Fertilizer

Transport Package

Bag

Specification

20kg/bag 10KG/BAG 1kg/bag 500gram/bag

Trademark

SEAWINNER

Origin

China

HS Code

3105

Production Capacity

500000ton/Year

Key features

100% Water Soluble: Black or brown powder/flake with 100% water solubility for easy application.

Direct Factory Price: Best price guaranteed due to own algae resources and harvest ships.

High Yield & Quality: Promotes mineral absorption and significantly increases crop yield and quality.

Stress Resistance: Regulates plant growth and improves crops' resistance to environmental stress.

Flexible Application: Suitable for foliar spray (1-5kg/ha) and irrigation (5-15kg/ha).

OEM/ODM Service: Supports OEM and ODM services with 41 R&D engineers available.

Certified Quality: Certified by ISO9001, TUV, GMP, and ISO standards.

Fast Lead Time: Off-season lead time within 15 workdays; peak season within one month.

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.