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Seawin Fertilizer 20% Seaweed Extract Rich in NPK and Secondary Trace Elements
US$1.00-3.00
500 kg
Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Condition

New

Certification

ISO9001, ISO

Model NO.

Root Promoter

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

Brown Liquid

Seaweed Extract

200g/L

Y-PGA

10g/L

Organic Matter

80g/L

N

60g/L

P2o5

25g/L

K2o

60g/L

Fe

1.4G/L

B

1.8g/L

Zn

2g/L

Transport Package

Bottle, Drum

Specification

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

Trademark

SEAWINNER

Origin

Qingdao, China

Key features

Rich NPK & Trace Elements: Contains 60g/L N, 25g/L P2O5, 60g/L K2O, plus Fe, B, and Zn for balanced nutrition.
20% Seaweed Extract: Derived from brown kelp Laminaria japonica, rich in natural growth stimulants.
Root System Promotion: Increases crop survival rate after transplanting and promotes fast root growth.
Stress & Disease Resistance: Enhances root resistance to stress and diseases while improving soil health.
Soil Health Improvement: Increases microbe activities and improves overall soil health for better nutrient use.
Versatile Application: Suitable for fertigation (2-4L/ha) and root dipping before transplanting.
Certified Quality: Manufactured under ISO9001 and ISO certifications ensuring product consistency.
Custom OEM/ODM Service: Supports OEM and ODM services with 41 R&D engineers for tailored solutions.

Company profile

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 is the composition of the seaweed extract fertilizer?
A:
It contains 20% seaweed extract, 10g/L Y-PGA, 80g/L organic matter, 60g/L N, 25g/L P2O5, 60g/L K2O, 1.4g/L Fe, 1.8g/L B, and 2g/L Zn.
Q:How should this fertilizer be applied?
A:
For fertigation, apply 2-4L/ha after transplanting or dormancy. For root dipping, dip plants before transplanting into media or soil.
Q:What are the main benefits of using this product?
A:
It increases crop survival rates, promotes fast root growth, enhances resistance to stress and diseases, and improves soil microbial activity.
Q:Is OEM or ODM service available?
A:
Yes, OEM and ODM services are available, supported by 41 R&D engineers and dedicated production lines.
Q:What is the lead time for orders?
A:
Peak season lead time is one month, while off-season lead time is within 15 workdays.

Send Inquiry

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