China Aircraft Services Limited (CASL) is a joint venture among China National Aviation Corporation (Group) Limited, Hutchison Whampoa (China) Limited, United Airlines, and China Airlines that providing aircraft line maintenance, aircraft hangar maintenance, cabin cleaning, ground service equipment, store and logistic services at Hong Kong International Airport. CASL as an Approved Maintenance Organization (AMO) holds HKAR145, JMM145 (CCAR145), EASA145, FAR145 Maintenance Approvals, together with those issued by the Taiwanese and South Korea Regulation Authorities. Air China, China Eastern Airlines, China Southern Airlines and Xiamen Airines have equity ownership representations in CASL via CNAC(G). China Eastern Airlines and CASL has an JV - Shanghai Eastern Aircraft Maintenance Limited (SEAM) operating in Shanghai Pudong International Airport that providing aircraft line maintenance and GSE services.

China Aircraft Services Limited (CASL) is a joint venture among China National Aviation Corporation (Group) Limited, Hutchison Whampoa (China) Limited, United Airlines, and China Airlines that providing aircraft line maintenance, aircraft hangar maintenance, cabin cleaning, ground service equipment, store and logistic services at Hong Kong International Airport. CASL is an Approved Maintenance Organizations (AMO) of HKAR145, JMM145 (CCAR145), EASA145, FAR145, and CASL has Maintenance Approvals from Taiwanese and South Korean Aviation Authorities. Air China, China Eastern Airlines, China Southern Airlines and Xiamen Airiness have equity ownership representations in CASL via CNAC(G). China Eastern Airlines and CASL has an JV - Shanghai Eastern Aircraft Maintenance Limited (SEAM) operating in Shanghai Pudong International Airport that providing aircraft line maintenance and GSE services.