Boeing 747 People's Republic of China skinpack --- CAAC (中国民航) / Air China (中国国际航空) / China Cargo Airlines (中国货运航空, the subsidiary of China Eastern Airlines (中国东方航空)) / China Southern Airlines (中国南方航空) --- total 4x airlines' 8x skins.
CAAC (Civil Aviation Administration of China) is the PRC government's aviation authority. It owned the civil airline in the same name CAAC as the monopoly in PRC to 1988.
All of Air China / China Eastern / China Southern are the airlines separated from CAAC in 1988.
This skinpack needs "Boeing 747 Common Normal map / RoughMet Textures pack Rev 2" from here. --- https://www.digitalcombatsimulator.com/en/files/3320106/
When you see strange checker blocks on the skins in DCS World, the "Boeing 747 Common Normal map / RouhMet Textures pack Rev 2" is not installed / not set-up correctly.