What is the material and protection class of the fan?

The fan is made of Aluminium Sheet with IP44 protection class and Class B insulation.

355mm DC 48V Backward Curved Centrifugal Fan for Air Cooler System

Name: 355mm DC 48V Backward Curved Centrifugal Fan for Air Cooler System
Brand: Changzhou 1st Sunflower Intelligence Technology Co., Ltd.
SKU: 2184969395

Jiangsu, ChinaChangzhou 1st Sunflower Intelligence Technology Co., Ltd.

US$152.00

50 Pieces

Product profile

Customization

Available

Material

Aluminium Sheet

Usage

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

Model NO.

SFB355/096-DC

Flow Direction

Centrifugal

Pressure

Medium Pressure

Certification

RoHS, UR, ISO, CE, CCC

Fan Type

Backward Curved Centrifugal Fan

Type of Protection

IP44

Insulation Class

Class B

Rotation

Duty Stype

Continuity

Thermal Protected

Yes

Transport Package

Carton/Pallet

Specification

310mm

Origin

Jiangsu, China

Production Capacity

50000pieces/Month

Key features

Wide Industry Application: Suitable for EV battery cooling, solar inverters, data centers, and industrial robots.

Energy Efficiency: Improves equipment efficiency, reduces energy consumption, and lowers carbon emissions.

Extended Equipment Life: Effective heat dissipation extends service life and reduces maintenance and replacement costs.

Robust Certification: Certified with RoHS, UR, ISO, CE, and CCC standards for global compliance.

Customization Options: Supports OEM/ODM services with customizable fan type, protection, and insulation class.

High Reliability: Features thermal protection and continuity duty for stable operation in critical environments.

Company profile

Changzhou 1st Sunflower Intelligence Technology Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2000-04-01 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.52h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryChangzhou 1st Sunflower Intelligence Technology Co., Ltd. is identified as a Chinese factory in Jiangsu, established in 2008, with stated solar-product manufacturing experience dating from 1998. The supplier reports ISO9001:2015 certification, four production lines, six to ten quality-control staff, and two R&D engineers. Its products include solar attic fans, solar water heaters, solar power systems, solar air conditioners, solar water pumps, and LED lights. The supplier states that 90% of sales are exports, serves markets in South America, Europe, Australia, and North America, and offers after-sales support and international trade assistance. Evidence supports manufacturing operations, quality-system certification, export capability, and relevant solar-product experience. However, the provided information does not substantiate customer cases, detailed customization processes, or a sufficient basis for assessing financial credibility.

Supplier typeThe supplier is explicitly described as a factory located in Wujin District, Changzhou, Jiangsu, China, and operates as a limited company. Its stated business history and product focus are centered on solar and environmentally friendly products, supporting classification as a solar-product manufacturer.

CertificationsThe supplier explicitly reports holding an ISO9001:2015 certificate for its management system. This provides direct evidence of a documented quality-management certification, although no additional certifications are listed.

After-Sales capabilityThe supplier states that it provides fast and active after-sales support, product solutions, technical assistance, and an experienced international trade service team. These statements directly indicate an asserted after-sales service capability, though no service-level metrics or customer references are provided.

R&D capabilityThe supplier claims deep solar-product expertise, good R&D and production skills, excellent product-design capabilities, and two R&D engineers. These statements support relevant technical and product-development capability, but the slices do not provide patents, new-product records, or measurable innovation outcomes.

Production capacityThe supplier is identified as a factory with four production lines, a 900 m² manufacturing plant, six to ten quality-control staff, and stated solar-product manufacturing experience. It also reports order fulfillment within 15 workdays in both off-peak and peak seasons, supporting a positive assessment of stated production capacity and delivery readiness.

Product Q&A

Q:What are the main applications for this DC centrifugal fan?

It is widely used in renewable energy (EV battery cooling, solar inverters), data base stations (server cabinets, UPS), and robot applications (industrial motors, drones).

Q:What certifications does this fan have?

The fan is certified with RoHS, UR, ISO, CE, and CCC standards.

Q:Is OEM and ODM service available?

Yes, the manufacturer provides both OEM and ODM services with 2 R&D engineers available for customization.

Q:What is the lead time for production?

The average lead time is within 15 workdays for both peak season and off-season.

Q:How does this fan improve equipment efficiency?

By providing effective heat dissipation, it prevents overheating, extends equipment life, and reduces overall operating costs.