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 20 to 30 days to ship one container after the order is confirmed.

High-Performance Industrial Tunnel Ventilation Fan for Optimal Airflow

Name: High-Performance Industrial Tunnel Ventilation Fan for Optimal Airflow
Brand: Shandong Hanqi Industrial Co., Ltd.
SKU: 2049177862

Shandong, ChinaShandong Hanqi Industrial Co., Ltd.

US$143.00-714.00

1 Piece

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

Material

Iron, Stainless Steel, FRP, Plastic, PP PVC

Usage

for Experiment, for Air Conditioner, for Manufacture, Mine, Tunnel, Underground Project

Model NO.

HQSDF

Flow Direction

Axial Flow

Pressure

Low/Midium/High Pressure, Customised

Certification

RoHS, ISO, CE, CCC

Speed

2900 R/Min, 1450r/Min, 960r/Min

Air Flow

35-210 M3/S

Wind Pressure

500-8000 PA

Power

30-500kw

Efficiency

90%

Impeller

Iron, Stainless Steel, Mn-Steel, Cuprum, Customize

Impeller Testing

Dynamic Blancing Adjusting

Fan Casing Silencer Material

Iron, Stainless Steel, Mn-Steel, Cuprum, Customize

Bearing

Zwz, C&U...

Color

Red/White/Grey/Yellow.... Customized

Transport Package

Wooden Case

Specification

According to the order

Trademark

HANQI

Origin

Shandong, China

Production Capacity

500000pieces/Year

Key features

Adjustable Blade Series: Aviation aluminum alloy impeller with adjustable blade structure for optimal airflow control.

High Efficiency VFD Control: Equipped with VFD control cabinet for intelligent adjustment, energy saving, and efficient operation.

Wide Application Scope: Suitable for tunnels, mines, subways, and industrial ventilation with low noise and long air supply distance.

Customizable Parameters: Customized speed, air flow, wind pressure, power, and impeller materials to meet specific project needs.

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

Flexible Control Options: Supports combined control and single control modes for easy operation and coordinated ventilation.

Global Service Support: 12-month warranty with free parts replacement and timely technical support worldwide.

Proven Reliability: Stable quality and high reliability established through thousands of improvements and global cooperation.

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: ≤9.63h

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 Flow rate/Air Volume, Pressure, Purpose, Use environment (Temperature, atmospheric pressure), or other special requirements.

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.

Q:How does your factory control product quality?

We have a quality inspection department. All blowers are tested by running for more than 3 hours before delivery. If there are quality issues, we produce new ones.

Q:What are your terms of payment?

We accept TT 40% as advance payment and TT 60% after inspection before shipping, or 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.