What payment terms are accepted?

Accepted payment terms include LC, T/T, and Western Union.

What is the validity period of this fertilizer?

The product has a long-term validity.

Where is the factory located?

The factory is located at Qingdao National University Sci-Tech Park, No. 23 Hong Kong Eastern Road, Qingdao, Shandong, China.

Root Promoter Best for Seedling Support Foliar Fertilizer

Name: Root Promoter Best for Seedling Support Foliar Fertilizer
Brand: Qingdao Seawin Biotech Group Co., Ltd.
SKU: 1985544122

Shandong, ChinaQingdao Seawin Biotech Group Co., Ltd.

US$3,000.00

2,000 liters

Sample price:US$1.00/kg.Request sample

Product profile

Customization

Available

Condition

Used

Certification

ISO9001

Model NO.

250ml, 500ml, 1L, 4L, 5L, 10L, 200L, 1000L

Application

Vegetables, Flowers, Fruit

State

Liquid

Validity

Long-term

Physics State

Liquid

Infection On Soil

Physiological Neutral

Chemical Character

Chemical Neutral

Transport Package

250ml, 500ml, 1L, 5L, 10L, 20L, 200L, 1000L

Specification

250ml, 500ml, 1L, 5L, 10L, 20L, 200L, 1000L

Trademark

Seawinner

Origin

Qingdao, China

Production Capacity

500000litre/Year

Key features

Rich Seaweed Extract Formula: Contains 200g/L seaweed extract, chitosan oligosaccharide, and biological iodine.

Comprehensive Nutrient Profile: Includes N, P2O5, K2O, Fe, Zn, and B for balanced plant nutrition.

Bacterial Growth Inhibition: Environmentally friendly formula that inhibits harmful bacteria growth.

Root System Enhancement: Stimulates root mass, density, and promotes longer secondary roots.

Soil Ecology Improvement: Physiologically neutral formula that improves the soil ecological environment.

Seedling Growth Promotion: Specifically designed to promote healthy crop seedling growth.

OEM and ODM Services: Customization services available with 41 R&D engineers supporting development.

ISO9001 Certified Quality: Manufactured under ISO9001 certification standards for quality assurance.

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 in this fertilizer?

It is a brown liquid rich in seaweed extract (200g/L), organic matter (80g/L), chitosan oligosaccharide, biological iodine, and essential nutrients like N, P, K, Fe, Zn, and B.

Q:What are the benefits of using this product?

It stimulates root mass and density, promotes longer secondary roots, improves the soil ecological environment, and inhibits the growth of harmful bacteria.

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

Yes, it is applicable for vegetables, flowers, and fruit crops.

Q:Does the manufacturer offer OEM or ODM services?

Yes, the manufacturer provides both OEM and ODM services supported by 41 R&D engineers.

Q:What are the lead times for production?

During peak season, the lead time is one month. During off-season, it is within 15 workdays.