Is overseas after-sales service available?

Yes, we provide overseas after-sales service centers and on-site technical support.

What is the maximum diameter of the tunnel fan?

The system ranges from 315mm up to 2,500mm in diameter.

Durable Tunnel Construction Ventilation Fan for Efficient Airflow

Name: Durable Tunnel Construction Ventilation Fan for Efficient Airflow
Brand: Decent Machinery Co., Ltd.
SKU: 1949270142

Shandong, ChinaDecent Machinery Co., Ltd.

US$800.00

1-4 Pieces

US$700.00

5+ Pieces

Sample price:US$800.00/piece.Request sample

Product profile

Customization

Available

Material

Iron

Usage

for Experiment, for Air Conditioner, for Manufacture, for Refrigerate

Model NO.

DECENT28823

Flow Direction

Axial Flow

Pressure

High Pressure

Certification

RoHS, ISO, CE, CCC

Type

Tunnel Fan

Mounting

Free Standing

Voltage

380V/410V/440V/3kv/6kv

Motor

ABB, Siemens Brand

Color

Customizable

Applicable Industries

Hotels, Manufacturing Plant, Machinery

Diameter

40mm - 3000mm

Impeller Testing

Dynamic Blancing Adjusting

Power Source

Electricity

Tiny Vibration

Warranty

2 Years

Selling Units

Single Item

Supply Ability

1000

Shape

Customizable

After Sales Service

Overseas After Sales Service Center

Transport Package

Wooden Packing

Specification

200X100X50 cm

Trademark

DECENT

Origin

Shandong, China

HS Code

8414599099

Production Capacity

10000 Sets/ Year

Key features

Customizable Design: Shape and Color are customizable; production based on customer 2D/3D drawings.

Low Noise Technology: Ultra-low noise below 75dB(A) using orifice plates and 100mm sound insulation cotton.

Global Service Network: 24/7 online support and overseas technical assistance for sites worldwide.

Strict Quality Control: 100% inspection with available welding/materials testing reports and live videos.

Proven Track Record: Served 150+ mine/tunnel projects in 130+ countries including VALE S.A.

Corrosion Protection: Automatic electrostatic powder coating and rust removal treatment for durability.

Flexible Customization: Supports full customization, minor customization, and flexible design options.

Company profile

Full Customization100% Finished Products InspectionOverseas ServicesFast Delivery

Decent Machinery Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 years CertifiedNearest Port: Qingdao portAverage Response Time: ≤1.60h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is a China-based manufacturer of air handling units, mist cannons, centrifugal fan blowers, dust collectors, and mining fans. It reports two production lines, stated annual capacities across five product categories, and 41–50 quality-control staff. It supports multiple forms of product customization and has documented procedures for finished-product inspection, supplier-service assessment, corrective actions, and complaint handling. Overseas service is reported in Pakistan through debugging, maintenance, repair, training, and installation, but there are no overseas agents, branches, warehouses, showrooms, or in-stock service capacity. The supplier does not provide 3D software design, ODM, SDK, or well-known-brand OEM services, and reported no new products in the past year. Financial information is limited to the availability of records for 2021–2023, without sufficient evidence to assess financial credibility. No certification information or customer cases are provided.

Supplier typeThe supplier presents itself as a China-based manufacturing supplier with a factory in Zibo, Shandong, two production lines, and product-specific annual capacity for air handling units, mist cannons, centrifugal fan blowers, dust collectors, and mining fans. The available information supports classifying it as an industrial equipment manufacturer, although the combined facility name is confidential.

After-Sales capabilityThe supplier reports documented procedures and records for service assessment, corrective and preventive actions, and complaint handling. It also offers debugging, maintenance, repair, training, and equipment installation in Pakistan, but has no overseas agents or branches; this indicates defined service capability with limited overseas infrastructure.

R&D capabilityInnovation-related capability appears limited: the supplier reports no new products in the past year, no 3D software design service, no ODM service, and no available SDK. It has one year of total R&D-engineer experience stated and no ERP integration, although OA and CRM systems are reported at level 1; overall innovation strength is not demonstrated.

Production capacityThe supplier reports two production lines, 41–50 quality-control staff, and stated annual capacities of 1,000 air handling units, 5,000 mist cannons, 6,900 centrifugal fan blowers, 2,000 dust collectors, and 2,300 mining fans. It also reports inspection instructions that are uniformly followed and peak- and off-season lead times within 15 working days, but lacks in-stock capacity and has no valid manufacturing-capacity contract with associated subcontractors.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is supported consistently across the R&D and design-capability records, although 3D software design services are not provided.