China Origin 20204mm DC Blower for Cooling Applications

Name: China Origin 20*20*4mm DC Blower for Cooling Applications
Brand: Fengxia Motor (Shanghai) Co., Ltd.
SKU: 2127361502

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

China Origin 20*20*4mm DC Blower for Cooling Applications

US$2.30-2.90

1,000 Pieces

Sample price:US$2.50/piece.Request sample

Product profile

Customization

Available

Material

Aluminum Fan

Blade Material

PBT 94ulv

Model NO.

2004 DC Blower

Type

DC Blower Fan

Electric Current Type

Mounting

Free Standing

Certification

RoHS, ISO, CE

Transport Package

Paper Box

Specification

30*30*4mm

Origin

China

Production Capacity

100000 Pieces/Year

Key features

Comprehensive Customization: Full customization available from samples, designs, or complete custom requirements.

Wide Voltage Tolerance: Motors operate reliably from 5V to 13V, suitable for various power sources.

Multiple Bearing Options: Choose from sleeve, hydraulic, or double-ball bearings for different lifespan needs.

Diverse Product Range: Sizes from 15mm to 250mm including DC, AC, EC, and centrifugal blowers.

Global Certification: Products certified with FCC, CE, RoHS, and ISO9001:2015 standards.

Stable Quality Assurance: 100% visual and function inspection for all finished products.

Fast Delivery: One-month lead time available in both peak and off-peak seasons.

Professional R&D Support: 4 dedicated engineers providing design guidance and technical solutions.

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: ≤4.50h

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, automatic speed variation (quieter, precise). Compatibility: 4-pin fits 3-pin header but runs full-speed or DC only.

Q:How to make fan quieter?

Use rubber pegs/grommets to reduce vibration. Inline resistor or 'low-noise adapter' to lower voltage (reduces airflow). Smooth fan curve in BIOS: keep RPM low until temp rises.

Q:Signs of a dying fan?

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