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 placed.

Efficient Variable Frequency Tunnel Fan for Construction Projects

Name: Efficient Variable Frequency Tunnel Fan for Construction Projects
Brand: Shandong Hanqi Industrial Co., Ltd.
SKU: 912640475

Shandong, ChinaShandong Hanqi Industrial Co., Ltd.

US$3,500.00-7,000.00

1 Piece

Product profile

Customization

Available

Material

Carbon Steel

Flow Direction

Axial Flow

Model NO.

SDF-8# 2 X 55kw

Pressure

High Pressure

Certification

ISO, CE, CCC

Model

Sdf-8# 2 X 55kw

Power

2*55kw

Speed

2900r/Min

Air Flow

970 M3/Min~560 M3/Min

Total Pressure

850PA~9900PA

Votage

3p 200V/208V/220V/240V/380V//415V /460vcustomized

Frequency

50Hz/60Hz

Dimension

According to Order

Air Hose Diameter

2000mm

Transport Package

Wooden

Specification

optional

Trademark

HANQI

Origin

China

HS Code

8414599099

Production Capacity

10000 Sets Per Year

Key features

High Pressure Axial Flow: Carbon steel construction with high pressure capability for tunnel ventilation.

Bidirectional Jet Fan: Switches to rated speed in forward and reverse directions within 30 seconds.

Noise Reduction Option: Muffler can be added to reduce noise for occasions with high noise requirements.

Corrosion Resistant: Refined inner wall of impeller section ensures corrosion resistance and reliability.

Low Maintenance: Direct drive design results in small maintenance workload.

Quality Testing: All blowers run for more than 3 hours before delivery to test quality.

Flexible Customization: Voltage, frequency, and dimensions can be customized according to order.

Wide Application: Suitable for water conservancy dams, highways, railways, and subway tunnels.

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: ≤8.89h

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. Damaged parts are replaced free of charge during this period.

Q:How do you control product quality?

We have a quality inspection department. All blowers are tested for more than 3 hours before delivery. If there is a quality problem, we produce a new one.

Q:What are your terms of payment?

Options include TT 40% 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.