What payment terms are accepted?

Accepted payment terms include LC, T/T, and Western Union.

What is the physical state and appearance?

The product is a black brown liquid with a long-term validity.

High NPK Liquid Fertilizer Featuring Disease Prevention

Name: High NPK Liquid Fertilizer Featuring Disease Prevention
Brand: Qingdao Seawin Biotech Group Co., Ltd.
SKU: 2128339312

Shandong, ChinaQingdao Seawin Biotech Group Co., Ltd.

US$3.00

1,000 Liter

Product specifications

8

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Condition

New

Certification

ISO

Model NO.

high PK

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

Transport Package

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

Specification

Micro Elements

Trademark

Seawinner

Origin

China

HS Code

31010

Production Capacity

500000tons/Year

Key features

High Concentration Formula: Contains 150g/L N, P2O5, and K2O with 65g/L organic matter and 10g/L alginic acid.

Seaweed Extract Base: Raw material is seaweed, enriched with alginic acid for enhanced plant health.

Soil Structure Improvement: Enhances soil aggregate structure and balances soil pH for better nutrient absorption.

Versatile Application: Suitable for vegetables, flowers, and fruit via foliar spray or fertigation.

Organic-Inorganic Synergy: Combines organic and inorganic nutrients for synergistic effects and efficiency.

Moisture Retention: Retains moisture and nutrients ensuring efficient absorption for robust growth.

Customization Services: OEM and ODM services available for commercial organic fertilizer production.

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.

Product Q&A

Q:What are the main ingredients?

The fertilizer is based on seaweed extract, containing 10g/L alginic acid, 65g/L organic matter, 150g/L N, 150g/L P2O5, 150g/L K2O, 1g/L B, and 1g/L Zn.

Q:How should this fertilizer be applied?

For foliar spray, use 0.5-2L/ha. For fertigation, use 5-10L/ha.

Q:What are the benefits of using this product?

It enhances soil aggregate structure, balances soil pH, promotes root growth, retains moisture, and results in disease-resistant plants with higher yields.

Q:Is OEM or ODM service available?

Yes, both OEM and ODM services are available for this product.

Q:What is the lead time for delivery?

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