Which enterprise is better, SAIC, Shanghai GM or Shanghai Volkswagen? What if these students come to the school to recruit at the same time? I really don't understand, please advise.

Shanghai GM is a joint venture subsidiary of SAIC and American GM, each holding 50% shares.

Shanghai Volkswagen is a joint venture subsidiary of SAIC and Volkswagen, each holding 50% shares.

SAIC has several subsidiaries (but not wholly owned): Shanghai GM, Shanghai Volkswagen, SAIC Ssangyong, SAIC-GM-Wuling and Shanghai Shenwo.