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...


NEW Product Launched, 4.2V 40A Power Supply

January 15, 2020
Small pitch led screens, rental led screens are quite popular recently years, especial the rental type, require light weight, easy to transport and install. Which will require small size led power supplies inside. this new series is quite compact d...


Chinese Spring Holiday Notice

December 30, 2019
Our Factory will close for Chinese Spring Holiday from "15th Jan 2020 To 3rd FEB 2020". Thank you for your cooperation and support this year, we will continue to provide most innovative products and perfect service in coming new y...


Swan Lake Lighting Project

December 5, 2019
Swan Lake is located in Hefei City, Anhui Province. It is named for its swan shape. It covers an area of about 1,000 acres, has a circumference of 3.5 kilometers and a water depth of 3.5 meters. It has various sculptures, garden trees, artifici...