Where is your factory located?

Our factory is located in Zibo, Shandong, China. We welcome customers to visit our factory.

What types of fans 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.

Powerful Tunnel Construction Fan with Variable Frequency Control

Name: Powerful Tunnel Construction Fan with Variable Frequency Control
Brand: Shandong Hanqi Industrial Co., Ltd.
SKU: 2101308645

Shandong, ChinaShandong Hanqi Industrial Co., Ltd.

US$700.00-1,900.00

1 Piece

Product profile

Customization

Available

Material

Iron, Stainless Steel, FRP, PP PVC, Titanium..

Usage

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

Model NO.

sdf

Flow Direction

Axial Flow

Pressure

Low/Midium/High Pressure, Customised

Certification

RoHS, ISO, CE, CCC

Speed

2900 R/Min

Air Flow

310-480 M3/Min

Wind Pressure

1350-4600 PA

Power

2 X 15kw

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

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

Variable Frequency Control: Features variable frequency control for precise speed adjustment and energy efficiency.

Customizable Impeller Material: Impeller available in Iron, Stainless Steel, Mn-Steel, Cuprum, or fully customized options.

Low Noise Design: Optional muffler can be added to reduce noise for high noise requirement occasions.

High Efficiency Performance: Achieves 90% efficiency with air flow ranging from 310-480 M3/Min and power of 2x15kw.

Durable Construction: Shell formed by imported rotary flanging machine; inner wall refined for corrosion resistance.

Bidirectional Operation: Two-way jet fans can switch to rated speed in forward and reverse directions within 30 seconds.

Wide Application Scope: Suitable for mines, tunnels, underground projects, water conservancy, highways, and railways.

Certified Quality: Products certified with RoHS, ISO, CE, and CCC standards for global compliance.

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: ≤8.45h

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, 6. Altitude of Operation Place, and 7. Brief introduction of the tunnel fan.

Q:What is the warranty period?

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

Q:How do you control product quality?

All blowers are tested for more than 3 hours before delivery to ensure quality. If any quality issues are found, we will produce a new one.

Q:What are your terms of payment?

We accept TT 40% as advance payment and TT 60% after inspection before shipping. We also accept 100% Irrevocable L/C at sight.

Q:How long will it take to ship after placing an order?

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