Chainzone, an experienced developer & manufacturer of LED signs, traffic signals and LED lighting products was founded in 2000. She is an ISO9001 certified firm and a provincial government-nominated "Hi-Tech Enterprise". Chainzone was the first Chinese LED display manufacturer to get CE and UL certifications on her products (2001). Currently we have our trade mark "iMPOSA" registered in US & Europe and we own several patents on our LED displays. Chainzone has one of the largest R&D team on Chinese mainland in this field. Her very large R&D team enables us to provide our clients adequate response and newest technologies. Our products have been well received on the Market in all corners of China and in over 140 countries and regions including the USA, Canada, Japan, Malaysia, Singapore, Thailand, the UK, Germany, France, Spain, Serbia, Kenya, Algeria, Australia, New Zealand, New Caledonia, Mauritius, Hong Kong, Macao, etc. What kind of products Chainzone provides: LED sign -IMPOSA Rental LED Display -IMPOSA Outdoor LED Display -IMPOSA Indoor LED Display -IMPOSA Customized LED Display -IMPOSA Message LED Display -IMPOSA In-House developed control system LED Road Safety Product -VMS -Mobile VMS -VMS on Vehicle -Lane Control signals&Down Counters -Traffic signals -Mobile Traffic Lights -Arrow Board -Speed Limit Signs -Bus&Train Signs -Passenger Information Sign -VMS Management Software -Traffic Control System -Traffic Signal Controllers LED Lighting Products -High Bay -Linear High Bay -Flood Light -Street Light -Canopy Light -Horticulture Grow Light -Billboard Light