UOP MD/ECMD Tray Technology Show was cosponsored by UOP and Boneng at Changsha Sheraton International and Boneng Factory on May 11, 2012. Twenty units attended this show on invitation, including major petrochemical enterprises like Sinopec, PetroChina, Sinochem Group, Shenhua Group, more than 30 leaders and guests totally. Yang Depin, Chairman of Enterprise Association of Changsha County, Yang Daibin, General Manager of Boneng, and Kevin Brandner, Manager of UOP Production Line addressed an opening speech respectively, Zhang Dongping, Vice General Manager of PetroChina in Sichuan, also made a speech in the show. In this show, Boneng made a detailed introduction on UOP MD/ECMD tray technologies and developed deep communication and interactions with leaders and guests attended the show, furthermore, all people visited ECMD tray with diameter of 9.7m and assembly of distribution tubes. This show was completed successfully, which provided new chances for new construction and transformation technology of domestic ethylene projects and PX, aromatic facilities.