Thirty-three major Chinese tech firms including Tencent, Alibaba, and ByteDance signed an agreement on “antitrust self-discipline” on Thursday, vowing fair competition, consumer protection and strengthened innovation. Other major signatories included Huawei, Baidu, and JD. The agreement was drafted by tech companies and the Intellectual Property Centre of the Chinese Academy of Information and Communications Technology, a government-backed body. [SCMP]