Where is your factory located?

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

What is the loading time?

The loading time is typically 5-7 days.

Is the product customizable?

Yes, various types can be customized, including air flow, speed, motor, and color options.

Advanced 4-Stage Silencer Fan for Tunnel Construction Projects

Name: Advanced 4-Stage Silencer Fan for Tunnel Construction Projects
Brand: Shandong Hanqi Industrial Co., Ltd.
SKU: 2125592475

Shandong, ChinaShandong Hanqi Industrial Co., Ltd.

US$2,000.00

1-4 Pieces

US$1,500.00

5+ Pieces

Sample price:US$2000.00/piece.Request sample

Product profile

Customization

Available

Material

Iron

Usage

for Experiment, for Air Conditioner, for Manufacture, for Refrigerate, Carbon Steel and Etd.

Model NO.

SDF Series

Flow Direction

Axial Flow

Pressure

Low Pressure

Certification

RoHS, UR, ISO, CE, CCC, High Pressure and MID Pressure

Air Flow

90-100000m³/Min

Speed

780-2900rpm

Motor

2.2-350kw

Color

Blue Yellow White Gray Red

Transport Package

Plywood Wooden Box

Specification

2x132kw

Trademark

HANQI

Origin

China

HS Code

8414599099

Production Capacity

50000PCS/Year

Key features

High-Speed Switching: Double-direction fans switch to rated speed in positive and reverse directions within 30 seconds.

Noise Reduction Option: Optional muffler can be added to reduce noise for places with high noise requirements.

Durable Construction: Shell formed by spinning and flanging; impeller inner wall precision machined for corrosion resistance.

Low Maintenance: Direct drive design ensures little maintenance workload for reliable operation.

Strict Quality Control: All blowers run for over 3 hours before delivery to test quality; 100% inspection.

Multiple Certifications: Certified with RoHS, UR, ISO, CE, CCC, High Pressure, and MID Pressure standards.

Flexible Customization: Supports customization from samples, designs, full customization, and minor adjustments.

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: ≤10.02h

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 your 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 run for more than 3 hours before delivery to test quality. If there is a problem, we produce a new one.

Q:What are your terms of payment?

We accept T/T 30% as advance payment and T/T 70% 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.