What is the lead time for orders?

The off-season lead time is within 15 workdays, while the peak season lead time is one month.

What are the NPK values for Formula II?

Formula II contains NPK 80-280-40, providing high nutrient levels for root development.

Root Promoter Root Organic Fertilizer

Name: Root Promoter Root Organic Fertilizer
Brand: Qingdao Seawin Biotech Group Co., Ltd.
SKU: 786934882

Shandong, ChinaQingdao Seawin Biotech Group Co., Ltd.

US$1.50-3.00

1,000 kg

Sample price:US$1.00/kg.Request sample

Product profile

Customization

Available

Condition

New

Certification

ISO9001, ISO

Model NO.

60-25-60

Application

Vegetables, Flowers, Fruit, Field Crops

State

Brown

Validity

Long-term

Physics State

Liquid

Infection On Soil

No Requirement for Soil

Chemical Character

Chemical Neutral

Raw Material

Brown Seaweed

Type

Commercial Organic Fertilizer

Transport Package

1L/4L/5L/10L/20L/200L/1000L

Specification

Seaweed Extract 200g/L

Trademark

Seawinner

Origin

China

HS Code

310

Production Capacity

10000tons/Year

Key features

Root Stress Resistance: Increases crop survival rate and resistance to stress and disease.

Soil Health Improvement: Increases microbe activities and improves overall soil health.

Flexible Application: Suitable for fertigation (2-4L/ha) and root dipping methods.

Certified Quality: ISO9001, ISO14001, ECOCERT, and OMRI certified organic fertilizer.

Customizable OEM/ODM: OEM and ODM services available for tailored formulations.

Fast Lead Time: Off-season lead time within 15 workdays for quick delivery.

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.