UPS power supply

UPS power supply is an emergency power supply used in the event of power failure. It is mainly used in computer rooms, computer networks, monitoring systems, mining, aerospace, industry, communications, national defense, hospitals, computer business terminals, network servers, network equipment , Data storage equipment, emergency lighting systems, railways, shipping, transportation, power plants, ...

Frequency converter

Frequency converter (frequency transformer) is a power control device that converts the power frequency power supply to another frequency by using the on-off function of the power semiconductor device. The main circuit of the inverter can be roughly divided into two categories: the voltage type is the inverter that converts the DC of the voltage source to AC, the filter of the DC loop is the capac...

Photovoltaic inverter

The photovoltaic controller is an automatic control device used in a solar power generation system to control the multi-channel solar battery array to charge the battery and the battery to supply power to the solar inverter load. The photovoltaic controller uses a high-speed CPU microprocessor and a high-precision A/D analog-to-digital converter. It is a microcomputer data acquisition and monitori...

Car charging pile

Electric vehicle charging piles can be divided into two types: AC charging piles and DC charging piles. The AC charging pile is installed outside the electric vehicle and connected to the AC power grid to provide AC power supply for the electric vehicle car charger; the DC charging pile is fixedly installed outside the electric vehicle and connected to the AC power grid to provide power batteries ...

Why Choose Juqiang ?


01R & D STRENGTHR & D Strength

10 years of R&D and production experience
Design each cooling fan
Source manufacturers, products with high cost performance

02QUALITY MANAGEMENTQuality Management

Compliant with ROSH requirements
Advanced production equipment
The pass rate is controlled above 98%


Customized experience of more than 1100 customers
Customized on demand
All problems are solved for you

04AFTER-SALES SERVICEAfter-sale Service

Pre-sales and after-sales technical support
Follow up the delivery time
Instant response, 24 hours at your service


About us

Global professional cooling fan manufacturer Shenzhen Juqiang Special Electromechanical Co., Ltd. is a high-tech enterprise integrating R&D, manufacturing, sales and service of cooling systems. Our company has been focusing on becoming a first-class cooling system supplier for 10 years, specializing in providing various cooling system products, cooling Design and development, manufacturing, sales, maintenance and injection molding of peripheral equipment such as cooling fans and supporting engineerin...




Contact us

Contact:Mr.Zeng 13798550131 Mr.Liu 13424266092
Add:3rd and 4th Floor, Building A, No. 284, Huanguan Middle Road, Songyuanxia Community, Guanhu Street, Longhua District, Shenzhen
  1. Website

Copyright 2022 Shenzhen Juqiang Special Electromechanical Co.,LTD. All Right Reserved.