How long is the lead time for delivery?

Lead time is within 15 workdays during off-peak season and one month during peak season.

Which crops can use this fertilizer?

It is ideal for vegetables, flowers, fruit trees, and field crops as a base or top dressing.

What certifications does the product have?

The product is certified under ISO9001 and ISO standards.

12-12-17 Seaweed-Enhanced Granular NPK Fertilizer

Name: 12-12-17 Seaweed-Enhanced Granular NPK Fertilizer
Brand: Qingdao Seawin Biotech Group Co., Ltd.
SKU: 2141344882

Shandong, ChinaQingdao Seawin Biotech Group Co., Ltd.

US$1,000.00

1,000 Tons

Sample price:US$1000.00/ton.Request sample

Product profile

Customization

Available

Condition

New

Certification

ISO9001, ISO

Model NO.

Granular

Application

Vegetables, Flowers, Fruit

State

Granular

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 Organic Matter, Nitrogen Fixation

Type

Granular Fertilizer

Appearance

Black Granular Fertilizer

Advantage

Synergistic Work with Seaweed Extract

Transport Package

Bag

Specification

25, 40, 50, Ton bag

Trademark

Seawinner

Origin

China

Key features

Balanced NPK Composition: Contains 12% Nitrogen, 12% Phosphorus, and 17% Potassium for optimal crop growth.

Disease Resistance: Boosts crop stress resistance and stimulates root growth effectively.

Low-Dust Granules: 2-4mm granular form ensures easy application and minimal dust.

Soil Health Improvement: Improves soil buffering capacity and promotes organic matter decomposition.

Versatile Application: Ideal as base or top dressing for vegetables, fruits, and field crops.

OEM/ODM Services: Customization options available for appearance and specific requirements.

ISO Certified Quality: Manufactured under ISO9001 and ISO standards for guaranteed quality.

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.