What certifications does the product have?

The product is certified with ISO9001 and ISO standards, ensuring quality and safety for agricultural use.

What are the payment terms?

We accept LC (Letter of Credit), T/T (Telegraphic Transfer), and Western Union as terms of payment.

Where is the company located?

Our production base is located in Qingdao National University Sci-Tech Park, Shandong, China, with a plant area of 260,000 square meters.

Seawin Fertilizer Provide Nutrients to Crops Seaweed Extracrt Microelements

Name: Seawin Fertilizer Provide Nutrients to Crops Seaweed Extracrt Microelements
Brand: Qingdao Seawin Biotech Group Co., Ltd.
SKU: 2041273382

Shandong, ChinaQingdao Seawin Biotech Group Co., Ltd.

US$2.00-3.00

2 Tons

Sample price:US$1.00/piece.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

Liquid

Infection On Soil

Physiological Neutral

Chemical Character

Chemical Neutral

Function

Disease-Resistant, Stimulate Crop Growth, Promote Crops On Soil Nutrient Use

Appearance

Dark Green Liquid

Alginic Acid

14G/L

N

90g/L

K2o

60g/L

Organic Matter

150g/L

P2o5

30g/L

EDTA-Cu

8g/L

EDTA-Fe

16g/L

EDTA-Mn

4G/L

EDTA-Zn

12g/L

Transport Package

Bottle, Drum

Specification

1L, 5L, 10L, 20L, 1000L

Trademark

SEAWINNER

Origin

Qingdao, China

Key features

Comprehensive Nutrient Supply: Rich in seaweed extract, NPK, and EDTA microelements for balanced crop nutrition.

Stress Resistance & Growth: Activates immune system, improves stress resistance, and stimulates plant growth.

High Quality Yield: Increases flowering and fruit setting ratio while preventing flower and fruit drop.

Certified Manufacturer: ISO9001 and ISO certified production with over 20 years of industry experience.

Flexible Customization: ODM and OEM services available to meet specific agricultural requirements.

Versatile Application: Suitable for vegetables, flowers, and fruits via foliar spray or drip irrigation.

Large Scale Production: 260,000 sqm plant area with dedicated seaweed extract production lines.

Global Export Capability: Exporting to North America, South America, and Europe with FOB/CIF terms.

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 of this fertilizer?

It contains seaweed extract, NPK (N: 90g/L, P2O5: 30g/L, K2O: 60g/L), organic matter (150g/L), and EDTA microelements including Cu, Fe, Mn, and Zn.

Q:How should this liquid fertilizer be applied?

For foliar spray, dilute 1000-1500 times. For drip irrigation, use 2-4 L/ha. It is suitable for the whole growth stage of vegetables, flowers, and fruits.

Q:Does this product help with crop stress resistance?

Yes, it activates the crop's immune system, improves resistance to stress, and balances endogenous growing factors to stimulate plant growth.

Q:Is OEM or ODM service available?

Yes, we provide both OEM and ODM services. Our company has 41 R&D engineers and dedicated production lines for customized solutions.

Q:What is the lead time for orders?

The peak season lead time is one month, while the off-season lead time is within 15 workdays.