What is the lead time for orders?

The lead time is within 15 workdays during the off-season and one month during the peak season.

Where is the company located?

We are located in Qingdao National University Sci-Tech Park, Shandong, China.

Seaweed Plus NPK Plus Micro Elements

Name: Seaweed Plus NPK Plus Micro Elements
Brand: Qingdao Seawin Biotech Group Co., Ltd.
SKU: 2041488542

Shandong, ChinaQingdao Seawin Biotech Group Co., Ltd.

US$2.00-2.50

3,000 Liter

Sample price:US$5.00/kg.Request sample

Product profile

Customization

Available

Certification

ISO

Application

Vegetables, Flowers, Fruit

Model NO.

Seafun

Appearance

Liquid

Infection on Soil

Physiological Neutral

Chemical Character

Chemical Neutral

Release Type

Quick

Transport Package

Bottle, Pail

Specification

500ml, 10L, 200L

Trademark

SEAWINNER

Origin

Shandong

HS Code

310100

Production Capacity

500000

Key features

Dual-Chelated Formula: EDTA and Seaweed dual chelating effect ensures readily nutrient uptake.

Rich Trace Elements: Contains EDTA-Cu, EDTA-Fe, EDTA-Mn, and EDTA-Zn for maintenance.

Organic Matter Boost: High organic matter content (150g/L) improves microbe activities.

Quality Improvement: Designed to improve fruit flavor and color for better market value.

Versatile Application: Suitable for vegetables, flowers, and fruit crops.

Neutral Character: Physiological and chemical neutral, safe for soil health.

Customization Support: ODM and OEM services available for tailored solutions.

Manufacturer Direct: Direct from factory with 41 R&D engineers and large production capacity.

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: ≤24h 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 benefits of this fertilizer?

It provides maintenance levels of trace elements, improves nutrient uptake via dual chelation, enhances fruit flavor and color, and boosts microbe activities with organic matter.

Q:What is the composition of the liquid?

It is a dark green liquid containing Alginic Acid (14g/L), Organic Matter (150g/L), N (90g/L), P (30g/L), K (60g/L), and various EDTA-chelated micro elements.

Q:Is this product suitable for all types of crops?

Yes, it is designed for application on vegetables, flowers, and fruit crops.

Q:Can I customize the product or brand?

Yes, we offer both OEM and ODM services to meet your specific requirements.

Q:What are the payment terms?

We accept LC, T/T, and Western Union for payments.