1. Hivision buys LED dice from semiconductor manufacturers and does the LED packaging in house. The LEDs are tested and assorted before put to use.

2. The LEDs are then populated on the PCB modules through automated machinery. A small number of parts can not be populated by machines are soldered manually. Completely populated PCBs are then tested.

3. PCB modules are then assembled in the cabinet, along with power supply, control cards, fans, cables, etc. The assembled cabinets are then tested.

4. The assembled cabinets then connected together as a complete sign then tested for 48 hours or more. Then the cabinets are packaged/packed for shipment.