What are the payment terms?

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

What is the lead time for delivery?

Off-season lead time is within 15 workdays, while peak season lead time is one month.

High Content of Seaweed NPK Liquid Fertilizer

Name: High Content of Seaweed NPK Liquid Fertilizer
Brand: Qingdao Seawin Biotech Group Co., Ltd.
SKU: 2041451382

Shandong, ChinaQingdao Seawin Biotech Group Co., Ltd.

US$5,000.00

2,000 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Condition

New

Certification

ISO

Model NO.

150-150-150

Application

Vegetables, Flowers, Fruit

State

Liquid

Validity

Long-term

Physics State

Liquid

Infection On Soil

Physiological Acid

Chemical Character

Chemical Acid

Raw Material

Seaweed

Type

Commercial Organic Fertilizer

Soil Conditioner

pH Regulator

Biostimulant

Seaweed

Transport Package

250ml, 500ml, 1000ml, 5L, 10L

Specification

Micro Elements

Trademark

Seawinner

Origin

China

HS Code

31010

Production Capacity

500000tons/Year

Key features

High NPK Concentration: Contains 150g/L N, 150g/L P2O5, and 150g/L K2O for balanced nutrition.

Seaweed PGA Formula: Enriched with alginic acid and patented seaweed-PGA to enhance soil structure.

Soil pH Regulation: Acts as a physiological acid conditioner to balance soil pH and improve aggregate structure.

Moisture Retention: Seaweed-PGA retains moisture and nutrients, ensuring efficient absorption and robust growth.

Custom Packaging Options: Available in various sizes: 1L, 5L, 10L, 20L, and 1000L to suit different needs.

OEM/ODM Service: Supports OEM and ODM services with 41 R&D engineers for customized solutions.

ISO Certified Quality: Manufactured under ISO certification with a large 260,000 sqm plant area.

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