What is the lead time for orders?

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

What are the payment terms?

Payment terms include LC, T/T, and Western Union.

What is the main application for this fertilizer?

It is suitable for vegetables, flowers, and fruit, providing balanced and comprehensive nutrients.

Seafun Seaweed Functional Liquid Fertilizer

Name: Seafun Seaweed Functional Liquid Fertilizer
Brand: Qingdao Seawin Biotech Group Co., Ltd.
SKU: 800541632

Shandong, ChinaQingdao Seawin Biotech Group Co., Ltd.

US$2.00-4.00

2,000 Litter

Sample price:US$2.00/liter.Request sample

Product profile

Customization

Available

Condition

New

Certification

ISO9001, ISO

Model NO.

Seafun

Application

Vegetables, Flowers, Fruit

State

Liquid

Validity

Quick Acting

Physics State

Solid

Infection On Soil

Physiological Alkaline

Chemical Character

Chemical Alkaline

Raw Material

Manure

Type

Commercial Organic Fertilizer

Transport Package

Drum

Specification

200L/Drum 1000L/Drum

Trademark

Seawinner

Origin

Qingdao, China

Production Capacity

500000ton/Year

Key features

Pure Natural Ingredients: Composed of pure natural seaweed extract and chelated trace elements.

Balanced Nutrient Efficacy: Provides balanced and comprehensive nutrient elements to strengthen plant nutrition.

Versatile Application Methods: Suitable for foliar spray (1-2L/ha) and irrigation (2-4L/ha).

Compatible with Chemical Fertilizers: Can be used alone or compounded with chemical fertilizers after compatibility testing.

ISO9001 Certified Quality: Manufactured under ISO9001 and ISO certification standards.

Customizable OEM/ODM Service: ODM and OEM services are available for customized production needs.

Fast Acting Formula: Quick acting validity ensures rapid nutrient absorption and efficacy.

Established Manufacturer: Factory established in 2000 with 556 employees and 41 R&D engineers.

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.