--Chainzone Technology (Foshan) Co., Ltd. is a specialized developer and manufacturer of LED signs, LED traffic signals, and numerous other lighting products with LEDs as main materials. Being an ISO9001 certified firm and provincial government-nominated "Hi-Tech Enterprise", we are proud to have been a trail blazer for the last 11 years in both technology advancement and market exploration in the LED industry. Currently we have our trade mark iMPOSA registered in a dozen of countries and regions. We also have a few patents registered in China and USA.