美利云(000815.SZ)：公司目前已合作的重点客户有电信、美团、北龙超算、并行等

Group 1 - The core point of the article is that Meili Cloud (000815.SZ) has highlighted its key clients in the data center business during an investor relations inquiry [1] Group 2 - The company currently collaborates with significant clients including telecommunications companies, Meituan, Beilong Supercomputing, and Parallel [1]