China’s Ministry of Commerce on Wednesday released draft regulations for the live-streaming industry, declaring that items such as sex toys, medicines, spy devices and foreign newspapers can no longer be sold in these sessions, as Beijing tightens its scrutiny of the fast-growing e-commerce sector. Meanwhile, teenagers under 16 will no longer be allowed to live-stream and live-streamers should use Mandarin during their sessions, according to the draft rules. Live-streamers are not allowed to delete, conceal negative comments, or produce fake reviews to cheat or mislead consumers, the document said. China also wants to build a credit system for live-streamers, merchants,...