Can I customize the product?

Yes, OEM and ODM services are available, supported by 41 R&D engineers.

What is the lead time for orders?

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

Kelp Extract, Liquid Fertilizer, Extracto De Algas, Organic Fertilizer, Liquid Seaweed

Name: Kelp Extract, Liquid Fertilizer, Extracto De Algas, Organic Fertilizer, Liquid Seaweed
Brand: Qingdao Seawin Biotech Group Co., Ltd.
SKU: 1978998012

Shandong, ChinaQingdao Seawin Biotech Group Co., Ltd.

US$3.00

2,000 L

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Certification

ISO9001, ISO

Application

Vegetables, Flowers, Fruit

Model NO.

Seavigor

Appearance

Liquid

Infection on Soil

Physiological Neutral

Chemical Character

Chemical Neutral

Release Type

Quick

Transport Package

Drum, Bottle, IBC

Specification

500ml, 1L, 5L, 10L, 20L, 200L, 1000L

Trademark

SEAWINNER

Origin

China

Key features

Dual pH Formulas: Acid formula mixes with pesticides; alkaline formula mixes with fertilizers.

High Nutrient Density: Contains 120g/L Alginic Acid, 400g/L Organic Matter, and 80g/L Polysaccharides.

Crop Stress Resistance: Improves resistance to abiotic stress and stimulates root growth and vigor.

Yield and Quality Boost: Increases crop quantity, maturity speed, and nutritional content for consumers.

Certified Quality: ISO9001 and ISO certified, attested by numerous agronomic tests worldwide.

Customization Support: ODM and OEM services available with 41 R&D engineers for specific formulations.

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 two available formulas?

Seavigor offers an acid formula, which can be mixed with most pesticides, and an alkaline formula, mainly for mixing with fertilizers. Both can also be used directly.

Q:What are the main ingredients?

Main ingredients include seaweed polysaccharide (80g/L), alginic acid (120g/L), organic matter (400g/L), NK, Ca (500ppm), and Mg (1000ppm).

Q:What are the benefits of using this fertilizer?

It stimulates crop growth, improves quality and yield, enhances agrichemical utilization, and increases resistance to abiotic stress.

Q:Is the product safe for the environment?

Yes, all formulations use natural active substances, fully respecting the environment and human health.

Q:What certifications does the product have?

The product is certified with ISO9001 and ISO standards.