Longtech Optics Co., Ltd is a professional manufacturer and exporter of small medium LCD, LCM in China.We supply TN, HTN, STN, FSTN LCD glass, character / graphic LCD modules in COB, COG technologies, LED backlight, Serial LCM with RS232/I2C/SPI interface. All of our products can be customized. We provide a one-stop solutions in providing hardware design and software development.