Chontdo Electronics is a professional manufacturer of LED display and LED lighting system with R&D,manufacture,sale and after-sale service. The company is located in Shunyi district, Beijing ,covers an area of 20000 square meters.There are 14 departments including manufacture,R&D, marketing , quality controlling, engineering,after-sale service,etc. We have 27 sale and technology service centers around China. We also set up service centers in Japan,Thailand and Korea.A lot of our products have used on national projects such as 2008Beijing Olymipc ,national railway station ,capital airport and 2010Shanghai Expo in May.
We are certificated by ISO9001:2000 ISO14001 ,CE ,Rohs and CCC CERTIFICATION .We have no MOQ request  and at least 1-3 years warranty .