What is the speed of the fan?

The speed options are 2900rpm and 1450rpm.

What is the material of the fan?

The main material is iron, with stainless steel blades available.

Sdf Series Tunnel Ventilation Counter Rotating Axial Fan

Name: Sdf Series Tunnel Ventilation Counter Rotating Axial Fan
Brand: Yuncheng Zhongsui Mining Equipment Co., Ltd
SKU: 2177642452

Shanxi, ChinaYuncheng Zhongsui Mining Equipment Co., Ltd

US$1,300.00

2 dozen

Product specifications

power

Product profile

Customization

Available

Material

Iron

Usage

for Experiment

Model NO.

5.0/2*7.5kw 6.0/2*22kw 6.3/2*30kw

Certification

CCC

Blade Material

Stainless Steel

Bearing Type

Dual Ball Bearing

Type

Explosion-Proof Axial Fan

Free Standing,Duct Fanwal

Mounting Type Fan

Power Source

Electric

Selling Units

Single Item

Voltage

380V/660V

Warranty

1 Year

Customized Support

OEM

Place of Origin

Shanxi,China

Speed

2900rpm,1450rpm

Origin

Yuncheng, Shanxi

Key features

Explosion-Proof Motor: Equipped with pure copper explosion-proof motor for safe operation in hazardous environments.

Flame Retardant Barrel: Features a flame retardant fan barrel ensuring stability and durability during long continuous operation.

High Air Volume & Pressure: Designed with high air volume and strong wind pressure for efficient ventilation in tunnels.

Low Noise Operation: Engineered for low running noise to improve the working environment safety.

OEM Customization Support: Provides OEM customized support for tailored product solutions.

Flexible Customization: Offers flexible customization options including from samples, designs, and full customization.

Dual Ball Bearing: Utilizes dual ball bearing type for enhanced reliability and longevity.

1 Year Warranty: Comes with a 1-year warranty coverage for peace of mind.

Company profile

Yuncheng Zhongsui Mining Equipment Co., Ltd

Shanxi, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤5.89h

AI-Powered supplier vetting

SummaryYuncheng Zhongsui Mining Equipment Co., Ltd is a China-based trading company established in 2016, with 10 employees and no stated affiliation with a larger company group. Its primary offerings are tunnel axial fans and tunnel ventilation duct cloth, supported by stated activities covering fan manufacturing and sales, mechanical equipment, parts processing, equipment repair, and installation services. The supplier reports eight years of export experience and offers multiple customization modes. It launched new products during the past year, but no usable SDK is available for R&D. Financial records are indicated for 2023–2025, although the provided information does not establish financial strength. Audit information identifies BV as the audit organization, with a report period from 2026-05-10 to 2027-05-09, but the audit type and evaluation result are not interpretable from the stated values. Evidence is insufficient to confirm certifications, after-sales performance, or customer cases. Raw-material...

Supplier typeThe supplier is explicitly identified as a trading company and limited company, established in 2016 in Shanxi, China, with 10 employees and no stated larger-company affiliation. Its listed activities include manufacturing and selling fans, processing and selling mechanical parts, equipment repair, and installation services, indicating a trading-led business with some stated production and service activities.

After-Sales capabilityThe stated business scope includes repair of general and special equipment, household-appliance repair, and installation services for general mechanical equipment. These activities support some service capability, but there is no explicit evidence regarding warranty terms, response times, spare-parts support, or actual after-sales performance.

R&D capabilityThe supplier states that it launched new products during the past year, providing direct evidence of some product-development activity. However, it explicitly has no available SDK, and no further R&D resources, personnel, patents, or technical-development evidence are provided.

Production capacityThe business scopes include manufacturing and sales of fans, power-facility equipment, dust-removal technology equipment, and mechanical parts, while the primary products are tunnel axial fans and tunnel ventilation duct cloth. This supports stated production involvement, but the 10-person workforce and lack of capacity, facility, or output data prevent assessment of production scale.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of a broad stated customization offering, although no examples, process details, or delivery performance are provided.