1, company background: Sichuan Airlines and Air China are both airlines in mainland China, while Lufthansa Foods is a food service company under the Lufthansa Group;

2, services: Sichuan Airlines and Air China provide air transportation services, while Lufthansa Foods focuses on providing food and beverage and other related services for different airlines;

3, partnerships: Lufthansa Foods can provide services for a number of airlines, including entering into partnerships with different airlines.

3. Partnerships: Lufthansa Foods can provide services to a number of airlines, including partnerships with Sichuan Airlines and Air China and other airlines in mainland China.