JINGDA manufactures custom character LCD display modules that show letters, numbers and symbols in fixed character cells. Common formats include 16×2, 16×3 and 20×4, with TN, STN and FSTN display modes, COB assembly and AIP31066L/AIP3165LC-compatible drivers. These modules are used in industrial control equipment, instruments, telephones, fax machines and other devices that need clear text information without complex graphics. JDA supports customization of backlight colour, module outline, frame and base, viewing angle and interface, and supplies both sample runs and volume production from its Shenzhen factory.