About KWSQ
A Zhongshan factory built for landmark nights.
KWSQ is the international trade brand of CINZAN Group — an architectural LED lighting manufacturer integrating R&D, production and facade project services since 2014.
Company profile
KWSQ is the international trade brand of CINZAN Group, founded in Zhongshan — the heart of China’s lighting industry.
Since 2014, the Group has designed and manufactured DMX512 linear lights, wall washers, flood lights, pixel point sources and intelligent control systems for synchronized building and media-facade projects around the world. Behind every KWSQ fixture is a 20,000 m² integrated facility, an in-house optical lab and the proprietary BOX8+5 quality protocol.
From hotels and commercial plazas to bridges and city skylines, our engineering team supports partners from photometric design and sample validation all the way through installation and after-sales service.
- R&D and manufacturing under one roof
- DMX512, SPI & 5G smart control in-house
- OEM & ODM for facade-lighting projects
2014
Established
0
m² integrated facility
¥0M+
RMB registered capital
0
field-proven test locations
Brand Ambassador
Yu Rongguang
Celebrated Chinese Actor
“The light a city wears tells you who it is.”
We are honored that acclaimed actor Yu Rongguang stands with KWSQ — a shared belief that craftsmanship and character stand the test of time.
Our journey
A decade of light, and counting.
2014
CINZAN Group founded
Headquartered in Xiaolan, Zhongshan, focused on high-end architectural LED facade lighting.
2018
Brand recognition
Renowned actor and director Yu Rongguang became the official CINZAN brand ambassador.
2022
KWSQ is born
KWSQ was established as the Group’s dedicated international trade brand.
2023
Trademark registered
The KWSQ trademark was officially registered — Guangdong KWSQ Optoelectronic Technology Co., Ltd.
Today
Global growth
KWSQ keeps expanding globally, lighting landmark facades across more and more countries.
BOX8+5 Quality Protocol
Tested in the lab. Proven in the field.
Every fixture family passes 8 in-house environmental tests, and the same designs have run outdoors for 5+ years at 5 extreme-climate field stations across China.
Click to enlarge
5 field stations · 5+ years
Inside the factory
One campus, every step in-house.
From R&D and SMT assembly to optical testing, aging burn-in and export packing — production stays under one quality system.
Sales & engineering team
Project service
We stay with your project, end to end.
01
Design & planning
3D renderings, lighting drawings and wiring plans from our engineering team.
02
Online technical support
Fast consultation and fault diagnosis from engineers who know the products inside out.
03
On-site installation
Trained high-altitude installers follow standardized mounting, wiring and waterproofing procedures.
04
After-sales care
Warranty, repairs and on-site follow-up keep every facade running after handover.
Certifications
Certified for the markets you serve.
KWSQ fixtures are qualified under CCC, CE and RoHS, and the company operates an ISO 9001:2015 certified quality management system.
Valid 2026 – 2029 · Issued by Certification Europe (Hong Kong) / CTC, verifiable online.
Have a project in mind?
Send us your elevation drawings or BOQ — get a fixture proposal and lighting effect preview within 48 hours.