BEIJING, June 23 (Reuters) - ByteDance rival Kuaishou Technology (1024.HK), a short video app developer, has reached a total of 1 billion global monthly active users, Kuaishou chief excutive Su Hua said in a statement on Wednesday. The Tencent-backed (0700.HK) company operates Kuaishou for the Chinese market, and Kwai and Snack Video for markets outside China.