Longtech Optics Co., Ltd is a professional manufacturer and exporter of LCD panel, LCD module and LED backlight in China. We produce small-medium size TN, HTN, STN, FSTN LCD panel, character/graphic LCD module with COB, TAB and COG technologies, alphanumeric LCD modules with RS232 SPI IIC serial interface. Our products can be widely used in the telecommunication appliances, AV systems clocks, ammeter, air conditioner controller and so on. We provide a one-stop solutions in providing hardware design and software development. LONGTECH has the capability of manufacturing low power consumption, wide viewing angle and extended temperature range of LCD modules. Our facilities and machineries are from Taiwan and Japan. We have an efficient procurement, production and quality control processes, which ensures a quick delivery of high-quality products and competitive price.