What is the pH level of the fertilizer?

The pH level is between 7 and 9, making it physiologically and chemically neutral.

Can I use this on vegetables and flowers?

Yes, it is suitable for application on vegetables, flowers, and fruits.

Manufacture of Seaweed Extract Functional Compound Fertilizer (Seaweed Functional Compound Liquid)

Name: Manufacture of Seaweed Extract Functional Compound Fertilizer (Seaweed Functional Compound Liquid)
Brand: Qingdao Seawin Biotech Group Co., Ltd.
SKU: 618875142

Shandong, ChinaQingdao Seawin Biotech Group Co., Ltd.

Negotiable

2,000 L

Product profile

Customization

Available

Certification

ISO9001, ISO, CE

Application

Vegetables, Flowers, Fruit

Model NO.

Seaweed Functional Compound Liquid

Appearance

Liquid

Infection on Soil

Physiological Neutral

Chemical Character

Chemical Neutral

Release Type

Quick

Manufacturing Method

Compound Fertilizer

Type

Seaweed Organic Fertilizer

Natural Seaweed Extract

180g/L

Transport Package

1L, 4L, 5L, 10L

Trademark

SEAWINNER

Origin

Qingdao, China

Production Capacity

60000L/Year

Key features

Full Spectrum Micronutrients: Includes chelated Fe, Cu, Zn, Mn to correct deficiencies rapidly.

Stress & Disease Resistance: Enhances plant resistance to stress and improves disease immunity.

High Fruit Quality: Increases fruit set ratio, prevents dropping, and improves appearance.

Versatile Application: Suitable for foliar spray and seed treatment on vegetables and fruits.

Neutral Formula: Physiologically and chemically neutral, safe for soil and plants.

Long Shelf Life: Product validity is two years when stored properly.

Flexible Packaging: Available in 100ml to 10L packs to meet various usage needs.

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:How should I apply this liquid fertilizer?

For foliar spray, dilute 1:1000 and apply 3-4 times during the growing period. For seed treatment, use 2-3 liters per ton of seeds.

Q:What are the benefits of using this seaweed extract?

It promotes sprout and root growth, enhances resistance to stress and disease, increases fruit set ratio, prevents flower/fruit dropping, and prolongs storage life.

Q:What is the validity period of the product?

The product has a validity period of two years.

Q:What certifications does the product have?

The product is certified with ISO9001, ISO, and CE.

Q:What are the available packaging sizes?

Packaging options include 100ml, 250ml, 500ml, 1L, 4L, 5L, and 10L.