About Us

Changzhou Chenglian power supply Co.,LTD has been presented for over 17 years on the market, winning a leading role in domestic and international scene. We are focusing on R&D and manufacturer power supplies for LED lights & LED Display screen. Classified by AC/DC and DC/DC series.

Equipped with two workshops, 8 production lines, advanced automatic production machines and test machines, 450 workers, two R&D departments, 15 skilled engineers in house, 20QCs, 20 salesman, achieved 50 millions USD  turnover in 2017, participated in Beijing Olympic Games, Shanghai Expo, Shanghai Disney Entertainment, Hilton hotel, Nanjing Summer Olympic games….And we have been chosen as the major provider for 2022 Beijing Winter Olympic Games recently.

Most of our products get CCC/CE/EMC/LVD/ UL/TUV/SAA/KC/CB/ROHS certificate, SGS ISO 9001 Quality certified factory

OEM/ODM/Distributors are welcome to contact with us, we will be your powerfully partner Behind your back.

Join us together to light and green the world with energy-efficiency Power supply.

Latest News


NEW ShowRoom

December 25, 2018

look at our new showrooms.

Honor Wall: all the honor we got from lighting and signage institution

Certification wall: all the patent, certification we get, Utility model patents, invent patents, UL,KC,SAA,TUV CE CB ROHS, SGS,IS...


9-12 June,Guangzhou international lighting fair

May 22, 2019

Welcome to Guangzhou International Lighting Exhibition!

Guangzhou International Lighting Exhibition 2018 wrapped up its 23rd edition by welcoming 165,998 visitors from 129 countries and regions and 2,602 exhibitors from 22 countries a...


ISLE 2019-9.2A05-Cheng Lian

January 17, 2019

ISLE 2019 | Asia's Largest Sign & LED Expo, 3-6 March 2019.

Booth NO: 9.2A05

Company Name: Cheng Lian Power Supply ...


Merry Christmas and Happy New Year

December 25, 2018

Wish all our clients Merry Christmas and Happy new year, May the magic of love twinkle in your lives throughout the holidays and the upcoming new year.

very glad to have yo...