General business items are: Technology development and sales of liquid crystal display module, LED backlight, LED chip, LED backlight, LED lighting facilities, electronic paper display module (electrophoresis display module), OLED display module (organic light emitting display module), touch screen, optical devices (light guide plate for backlight module, plastic frame), optical lenses and prisms for LED lamps; Tablet PC, mobile phone, smart digital products, game products, communication equipment, healthy home equipment, automation equipment, automotive electronics, computer consumables, electronic products, speaker speakers, computers, mice, keyboards, computer peripheral equipment, new energy battery, LED display technology development and sales; Domestic trade (excluding exclusive, exclusively controlled and exclusively sold commodities); Import and export of goods and technologies (except for items that require approval before registration as stipulated by laws, administrative regulations and decisions of The State Council).