Does the manufacturer offer OEM/ODM services?

Yes, both OEM and ODM services are available.

What is the lead time for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

Alga 21st-Popular and Traditional Seaweed Extract

Name: Alga 21st-Popular and Traditional Seaweed Extract
Brand: Qingdao Seawin Biotech Group Co., Ltd.
SKU: 2139787762

Shandong, ChinaQingdao Seawin Biotech Group Co., Ltd.

US$3.00-5.00

3,000 kg

Sample price:US$5.00/kg.Request sample

Product profile

Customization

Available

Condition

New

Certification

ISO9001

Model NO.

Seaweed Extraction Powder

Application

Vegetables, Flowers, Fruit

State

Powder

Validity

Long-term

Physics State

Solid

Infection On Soil

Physiological Neutral

Chemical Character

Chemical Neutral

Function

Disease-Resistant, Stimulate Crop Growth, Promote Crops On Soil Nutrient Use, Decomposition of Insoluble Mineral, Decomposition of Organic Matter, Nitrogen Fixation

Type

Biostimulant

Apparences and Forms

Black Microparticle and Flake Are Avilable

Formulation Types

Three Formulation Can Be Chosen

Physical Feature

100% Water Solube

Differences

High Seaweed Extract Content

pH Value

8-10

Transport Package

Bag

Specification

1, 10, 20 kilo gram

Trademark

Seawinner

Origin

China

Key features

Patented Enzymatic Extraction: Uses patented technology to extract high-activity bioactives from large volumes of brown algae.

100% Water Soluble: Fully water-soluble formulation ensuring easy application and high nutrient utilization.

Multi-Formulation Options: Available in three formulations including black microparticle and flake forms for customization.

Soil Health Improvement: Enhances soil microbe conditions and maintains long-term soil health and nutrient use.

Crop Resilience Boost: Strengthens crop resilience against stress and improves overall yield and quality.

Rich in Bioactive Compounds: Contains alginic acid, seaweed oligosaccharide, mannitol, and betaine for comprehensive nutrition.

Broad Crop Applicability: Suitable for vegetables, flowers, and fruits to enhance growth and disease resistance.

ISO9001 Certified Quality: Manufactured under ISO9001 certification ensuring consistent quality and reliability.

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.