Our company mainly engages in electronics research and development,design,marketing,etc.The marjor products include AI Racing Robot,Different size of Touch Display for Raspberry Pi, Epaper Displays, Long Range Wireless.etc.We promise:Our LCD is independently researched and developed and won a national patent!Our LCD quality is higher than the industry standard, without black dots, color dots or bright spots, and no color cast!Our LCD has undergone strict aging test, and the aging time exceeds 12 hours!Our LCD , under non-human conditions, have problems such as dots, color cast, white screen, and disconnection within 3 months, and they will all be replaced!