Where is your factory located?

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

Heavy-Duty Underground Ventilation System for Tunnels and Mines

Name: Heavy-Duty Underground Ventilation System for Tunnels and Mines
Brand: Shandong Hanqi Industrial Co., Ltd.
SKU: 2107046065

Shandong, ChinaShandong Hanqi Industrial Co., Ltd.

US$1,100.00-1,900.00

1 Piece

Product profile

Customization

Available

Material

Iron, Stainless Steel, FRP, PVC, Customised

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, ATEX

Speed

1480r/Min

Air Flow

2110-4120m3/Min

Wind Pressure

1078-6860 PA

Power

2X75kw

Efficiency

85%

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

Bidirectional Jet Fan: Switches forward and reverse at rated speed within 30 seconds for versatile tunnel ventilation.

Low Noise Design: Optional muffler reduces noise for high-noise requirement occasions with efficient performance.

Customizable Options: Customized speed, air flow, wind pressure, power, and impeller materials available per requirements.

Durable Construction: Shell uses imported tools for spinning flap molding; impeller wall is finished for corrosion resistance.

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

Multiple Certifications: Products certified with RoHS, ISO, CE, CCC, and ATEX for safety and compliance in mines.

Direct Drive System: Direct drive structure ensures small maintenance workload and reliable operation in 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: ≤10.88h

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: A. Flow rate & Air Volume, B. Pressure, C. Purpose, D. 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. After the warranty, we offer timely technical services and spare parts.

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 quality problem, we will produce a new one.

Q:What are your terms of payment?

A. TT 30% as advance payment and TT 70% after inspection before shipping. 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.