DC Blower 40407mm - High Performance Cooling Fan From China

Name: DC Blower 40*40*7mm - High Performance Cooling Fan From China
Brand: Fengxia Motor (Shanghai) Co., Ltd.
SKU: 2128577842

Shanghai, ChinaFengxia Motor (Shanghai) Co., Ltd.

DC Blower 40*40*7mm - High Performance Cooling Fan From China

US$4.00-4.60

1,000 Pieces

Sample price:US$4.60/piece.Request sample

Product profile

Customization

Available

Material

Aluminum Fan

Blade Material

PBT 94ulv

Model NO.

4007 DC Fan

Type

Axial Fan

Electric Current Type

Mounting

Free Standing

Certification

RoHS, ISO, CE

Transport Package

Paper Box

Specification

40*40*7mm

Origin

China

Production Capacity

100000 Pieces/Year

Key features

Full Customization Options: Offers customization from samples, designs, and full customization to meet specific client needs.

Diverse Bearing Types: Available with sleeve, hydraulic, and double-ball bearings for varying lifespans and noise levels.

Wide Voltage Tolerance: Most motors operate within a 5V to 13V range, providing flexibility in power supply connections.

Multiple Connector Types: Supports 3-pin for DC voltage control and 4-pin for precise PWM auto-speed variation.

ISO9001 Certified Quality: Manufacturing process certified to ISO9001:2015 standards ensuring rigorous quality control.

Global Industry Applications: Used in UAVs, automotive, medical, security, and industrial control sectors worldwide.

100% Finished Product Inspection: Every unit undergoes visual and functional inspection before shipping.

Competitive Lead Time: Average lead time is one month for both peak and off-peak seasons.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Fengxia Motor (Shanghai) Co., Ltd.

Shanghai, 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: 5 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤3.02h

AI-Powered supplier vetting

SummaryThe supplier demonstrates strong customization, R&D, OEM/ODM, quality-control, and complaint-handling capabilities. It reports new products within the past year, provides customization from samples and designs through full customization, and serves known brands through OEM. Production includes two lines, inventory capability, defined inspection procedures, and four QA/QC inspectors. However, important operational limitations exist: no available SDK, no overseas agents, branches, warehouse, or showroom, no offline trade-show participation, and only one experienced export-trade employee. Manufacturing controls also show gaps, including no ongoing quantity reconciliation for each batch and no standard operating procedure for outsourced manufacturing. Financial evidence is represented only by years rather than substantive indicators, so credibility cannot be determined. The supplier holds an ISO9001:2015 certificate, but the available information does not establish broader certification coverage.

Supplier typeThe supplier operates as a manufacturer with two production lines, provides OEM and ODM services, offers inventory capability, and accepts FOB and EXW quotations. It also provides full customization, but lacks overseas agents, branches, warehouses, and showrooms.

CertificationsThe supplier reports an ISO9001:2015 certificate. No additional specific certifications are identified in the provided information.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints and corrective/preventive actions, supporting an established service-response process. However, it has no overseas agents, branches, warehouse, or showroom, which limits demonstrated overseas service infrastructure.

R&D capabilityThe supplier reports new products in the past year, provides ODM services, and assigns R&D personnel to product development, design drawings, production support, and specifications. Nevertheless, it has no available SDK and no design input, output, review, validation, or confirmation documents available for audit.

Production capacityProduction evidence includes two production lines, inventory capability, one-month average lead times in both peak and off-season periods, four QA/QC inspectors, written finished-product inspection instructions, and multiple listed production machines. Controls are weakened by the absence of ongoing batch quantity reconciliation and a standard operating procedure for outsourced manufacturing.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, and full customization, with the same capability reported under both R&D and design services. This directly demonstrates broad customization coverage.

Product Q&A

Q:3-pin vs. 4-pin difference?

3-pin: DC voltage control, fixed or stepped speeds. 4-pin: PWM, auto speed variation for quieter, precise operation. Compatibility: 4-pin fits 3-pin header but runs full-speed/DC only.

Q:How can I make the fan quieter?

Use rubber pegs/grommets over metal screws to reduce vibration. Inline resistor cable/'low-noise adapter' lowers voltage (reduces airflow). Smooth fan curve in BIOS: keep RPM low until temperature rises.

Q:How do I know the fan is dying?

Listen: clicking/grinding = bearing failure. Check RPM: HWMonitor software; well below spec (e.g., 300 RPM vs. 1200 RPM) is a warning. Power off and flick: blade should spin freely; wobble/stiffness means worn bearings.