Where is your factory located?

Our factory is located in Zibo, Shandong, China. You are welcome to visit our factory.

How long will it take to ship after order?

It takes approximately 20 to 30 days to ship one container after the order is placed.

Durable Tunnel Ventilation Fans for Optimal Airflow in Construction

Name: Durable Tunnel Ventilation Fans for Optimal Airflow in Construction
Brand: Shandong Hanqi Industrial Co., Ltd.
SKU: 2095165142

Shandong, ChinaShandong Hanqi Industrial Co., Ltd.

US$900.00-3,200.00

1 Piece

Product profile

Customization

Available

Material

Iron

Usage

for Experiment, for Air Conditioner, for Manufacture, for Refrigerate

Flow Direction

Axial Flow

Pressure

Low/Medium/High Pressure

Certification

RoHS, ISO, CE, CCC

Running Mode

Uni-Directional

Color

Red/White/Grey/Yellow/Blue/Customized

Impeller Material

Iron, FRP, Cast Iron, Plastic, Stainless Steel...

Surface Treatment

Corrosion Preventive Treatment

Motor

Specifiable/Shandong Kaiyuan...

Efficiency

Over 85%

Design

at Least 10 Years

Impeller Testing

Dynamic Blancing Adjusting

Transport Package

Wooden Case

Specification

According to the order

Trademark

HANQI

Origin

Shandong, China

Production Capacity

20000pieces/Year

Key features

Customizable Color Options: Available in Red, White, Grey, Yellow, Blue, or fully customized colors.

High Efficiency Motor: Motor efficiency exceeds 85% with power ranging from 0.75 to 75KW.

Durable Iron Construction: Made of iron with corrosion preventive treatment for long-lasting performance.

Comprehensive Certifications: Certified by RoHS, ISO, CE, and CCC for safety and quality standards.

Rigorous Quality Testing: All blowers run for over 3 hours before delivery to ensure quality.

Flexible Customization: Supports full customization, minor customization, and design-based options.

Wide Application Range: Suitable for tunnels, parking lots, experiments, and industrial manufacturing.

Low Noise Operation: Operates at low noise levels of 57 dB for comfortable environments.

Company profile

High Repeat Buyers ChoiceCustomization from Samples3D Software DesignProduct Certification

Shandong Hanqi Industrial Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & 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: ≤11.84h

AI-Powered supplier vetting

SummaryShandong Hanqi Industrial Co., Ltd. is identified as a combined industrial company providing design, development, manufacturing, installation, sales, and after-sales services. It reports two production lines, a broad set of manufacturing equipment, inventory capability, written finished-product inspection procedures, and peak- and off-season lead times within 15 working days. The supplier supports extensive customization and ODM services, has introduced new products within the past year, and reports OEM service for well-known brands. However, it reports no supplier-management-system certifications, fewer than five quality-control staff, no valid manufacturing-capacity contract with related subcontractors, no overseas agents, branches, warehouses, or showrooms, and no offline trade-show participation. The provided information does not establish sufficient evidence to assess financial credibility or specific customer cases.

Supplier typeThe supplier is classified as a combined company and describes itself as an industrial enterprise integrating design, development, manufacturing, installation, sales, and after-sales services. It also reports its own factories, a research institute, and strategic cooperation with manufacturers in China.

CertificationsThe supplier-management-system certification field is explicitly recorded as NIL. This is direct evidence that no such certification is reported in the provided information.

R&D capabilityThe supplier reports two years of total R&D engineer experience, a research institute, new products within the past year, and ODM services. These indicators support active product development, although no SDK is available and the depth of the R&D organization is limited in the provided data.

Production capacityThe supplier operates two production lines and lists laser cutting, shearing, rolling, drilling, shot blasting, painting, punching, and welding equipment. It reports inventory capability, written production-service procedures, and lead times within 15 working days in both peak and off seasons; however, it has no valid contract with related subcontractors for manufacturing capacity.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization, and also provides ODM services. The same customization range is reported across both R&D and design-capability records.

Product Q&A

Q:What information should I provide when inquiring?

Please provide: 1. Air Flow/Volume/Capacity, 2. Pressure, 3. Power, 4. Voltage, 5. Frequency, 7. Altitude of Operation Place. Other special requirements are also appreciated.

Q:What is the warranty period?

We provide a 12-month warranty after receiving the centrifugal fans. During this period, damaged parts are replaced free of charge. After the warranty, we offer timely technical services and spare parts at price concessions.

Q:How does your factory control product quality?

We have a dedicated quality inspection department. All blowers are tested by running for more than 3 hours before delivery. If any quality issues are found, new units will be produced.

Q:What are your terms of payment?

Option A: TT 40% as advance payment and TT 60% after inspection before shipping. Option B: 100% Irrevocable L/C at sight.

Q:What products do you produce?

We produce centrifugal fans, tunnel fans, axial fans, jet fans, mining fans, exhaust fans, anti-corrosion blowers, high pressure blowers, and explosion-proof fans.