How do you guarantee product quality?

We conduct a pre-production sample before mass production and a final inspection before shipment.

Where is the company located?

We are based in Zhejiang, China, and have been operating since 2010.

5V 12V 36V 48V 250W 350W Switching Power Supply SMPS CE

Name: 5V 12V 36V 48V 250W 350W Switching Power Supply SMPS CE
Brand: Yueqing Greenwich Imp & Exp Co., Ltd.
SKU: 2281141595

Zhejiang, ChinaYueqing Greenwich Imp & Exp Co., Ltd.

US$12.00

10 Pieces

Product profile

Customization

Available

Output Type

Single

Warranty

2 Years

Model NO.

NES-350-24

Output Power

201 - 300W

Input Voltage

110-220V

Connection Mode

Series Switching Power Supply

Starting Mode

Separate-excited Switching Power Supply

Voltage Regulating Mode

Width Modulation Type

Power Supplying System

Industrial Power Supply

Energy Transmission

One-way Transmission

Modulation System

PWM

Certification

Brand

Gwiec

Output Current

30A

Output Voltage

24V

Size

215*115*50mm

Service

24 Hours Online Service

Transport Package

Carton

Specification

215*115*50mm

Trademark

GWIEC/OEM/Blank

Origin

Wenzhou, Zhejiang, China

Key features

CE Certification: Product certified with CE, RoHS, and CQC for global safety compliance.

2-Year Warranty: Comprehensive 2-year warranty coverage for all mechanical and electrical defects.

High Output Current: Delivers up to 30A output current at 24V for industrial applications.

PWM Modulation: Utilizes Width Modulation Type (PWM) for efficient power regulation.

24/7 Online Service: Dedicated 24-hour online technical support available for all customers.

OEM/ODM Support: Comprehensive manufacturing protection for intellectual property and design.

ISO Certified Quality: Manufactured under ISO certified processes ensuring high quality standards.

Company profile

Yueqing Greenwich Imp & Exp Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2017-07-19Nearest Port: ningboAverage Response Time: ≤9.71hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB

AI-Powered supplier vetting

SummaryYueqing Greenwich Imp & Exp Co., Ltd. is identified as a China-based manufacturer/factory and limited company located in Zhejiang, with a factory in the Qiligang/Liushi area. The supplier reports ISO 9001 certification, 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. Listed production capacities are 90,000 contactors, 210,000 circuit breakers, 30,000 switches, and 60,000 relays. Its product scope centers on electrical components including MCCBs, MCBs, contactors, relays, starters, and circuit breakers. Export activity reportedly began in 2017, with 41%–50% of sales from exports and exports conducted directly or through agents. The records provide limited evidence on after-sales service, financial credibility, innovation, customization, and customer-case depth. Trade records show one transaction associated with a Kazakhstan buyer in February 2025, but monetary figures are omitted.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and Limited Company, with its head office and factory located in Zhejiang, China. However, another record describes the company nature as a trading company, indicating a mixed or potentially inconsistent classification across the available data.

CertificationsThe supplier reports holding ISO 9001 certification for its management systems. This is explicit evidence of a documented quality-management certification, although no certification scope, issuing body, or validity dates are provided.

R&D capabilityThe supplier reports 6–10 years of total R&D-engineer experience, and its company description mentions continuous improvement and innovation. These provide some positive indication of development capability, but no specific patents, proprietary products, R&D projects, or new-product examples are supplied.

Production capacityThe supplier reports 10 production lines, 6–10 quality-control staff, and stated annual capacities of 90,000 contactors, 210,000 circuit breakers, 30,000 switches, and 60,000 relays. The same capacity figures appear consistently across two records, and a physical factory location plus ISO 9001 certification are reported, supporting a positive assessment of production capability.