Chainzone Technology (Foshan) Co., Ltd is locating in Foshan city Guangdong provice China. We are a manufacturer of LED screen (indoor, outdoor, rental), LED traffic related products, (VMS, trailers, traffic lights, traffic controllers, speed limit signs, arrow boards, bus signs, etc), LED Lighting (LED tubes, LED high bay lights, LED street lights, etc) We set up in the year of 2000, and we have been exporting our products to over 98 countries and regions. Most of our products have got the CE, UL,TUV, EN12966 certified, and we can also provide the NTCIP protocol for our traffic products.