Coolcox 3515 DC Brushless Blower Fan Centrifugal Fan for Micro-Projector

Name: Coolcox 3515 DC Brushless Blower Fan Centrifugal Fan for Micro-Projector
Brand: DONGGUAN SHI QILING ELECTRONICS TECHNOLOGY CO., LTD.
SKU: 2076401935

Guangdong, ChinaDONGGUAN SHI QILING ELECTRONICS TECHNOLOGY CO., LTD.

US$2.60

200-999 Pieces

US$2.30

1,000-2,999 Pieces

US$2.00

3,000-4,999 Pieces

US$1.80

5,000+ Pieces

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Material

Plastic+Metal

Blade Material

Plastic

Model NO.

BF3515

Type

Centrifugal Fan

Electric Current Type

Mounting

Free Standing

Certification

RoHS, ISO, CE

Bearing

Hydraulic

Air Flow

1.9~2.9cfm

Input Power

0.3~1.2W

Voltage

5V,12V,24V

Transport Package

Bulk

Specification

35x35x15mm

Trademark

COOLCOX

Origin

China

HS Code

8414599050

Production Capacity

3000000

Key features

High Customization Capability: Air flow, static pressure, speed, and rated voltage can be customized based on specific requirements.

Multiple Bearing Options: Available in Hydraulic, Sleeve, FDB, and 2-Ball bearings with varying lifespans up to 70,000 hours.

Wide Voltage Range: Supports 5V, 12V, and 24V input voltages for versatile application scenarios.

Optional Protection Functions: Includes FG, PWM, and RD protection functions as optional features for enhanced control.

Comprehensive Certifications: Products comply with RoHS, ISO, CE, UL, and TUV safety regulations.

Durable Material Construction: Frame and impeller made of PBT plastic with UL1061AWG #26 lead wires for reliability.

Quality Management Systems: Manufactured under ISO9001, ISO14001, IATF16949, and QC080000 certified management systems.

Company profile

Years of Export ExperienceImporters and ExportersSelf-branded

DONGGUAN SHI QILING ELECTRONICS TECHNOLOGY CO., LTD.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2012-08-01Nearest Port: Shenzhan,Guangzhou,HongkongAverage Response Time: ≤7.82hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CIF

AI-Powered supplier vetting

SummaryThe supplier is identified as a Dongguan manufacturing-industry trading company. It demonstrates professional technical-supplier status, available SDKs, 3D design, sample-based customization, ODM services, and OEM service for well-known brands. Production evidence includes three production lines, 22 quality assurance/control inspectors in one record, 31–40 quality-control staff in another, and stated fan and cooler output of 30,000,000 pieces. Quality processes include documented finished-product inspection, traceability, complaint handling, and corrective-action procedures. However, the supplier reports no private-mold capability, no new product in the past year, no overseas warehouse, showroom, agent, branch, or offline trade-show participation. Financial records are referenced for 2020–2022, but no financial performance details are provided.

After-Sales capabilityThe supplier has a documented and followed customer-complaint procedure and lists debugging and maintenance as overseas service offerings. However, it reports no overseas warehouse, showroom, agent, branch, or offline trade-show capability, and the number of countries offering overseas services is stated as zero; overall after-sales coverage is therefore limited despite having service procedures.

R&D capabilityEvidence supports available SDKs, 21–30 total years of R&D-engineer experience, 3D software design, ODM services, and sample-based customization. However, the supplier reports no new products in the past year and no private-mold capability, so innovation strength is demonstrated in services but not consistently across all R&D areas.

Production capacityThe supplier reports three production lines, fan and cooler output of 30,000,000 pieces, 22 quality assurance/control inspectors in one record and 31–40 quality-control staff in another, with SMT, wave soldering, AOI, and automatic winding equipment. It also reports uniform finished-product inspection, raw-material traceability, documented corrective actions, and lead times within 15 working days in both peak and off-season; these are explicit indicators of production and process-control capability.

Customization capabilityThe supplier provides sample-based customization, 3D software design services, ODM services, and OEM services for well-known brands. The stated absence of private molds limits one customization route, but the available design and ODM/OEM services explicitly support customized development.

Product Q&A

Q:What is the lifetime for the different bearings?

30,000 hours for sleeve bearing, 40,000 hours for hydraulic bearing, 60,000 hours for FDB bearing, and 70,000 hours for 2-Ball bearing.

Q:What's the MOQ and lead time?

MOQ is 2000 PCS. Lead time for samples is about 1 week, and for mass orders is about 4 weeks.

Q:What functions are optional for the fans?

Optional functions include Auto-restart, FG, Tachometer signal output, RD, Alarm signal output, PWM Control, and Waterproof.

Q:Why do choose CoolCox?

We offer a professional team, standard management, high level of automation, quality assurance system, high customization ability, and prompt delivery ability.