From December 6 to 7, the technical working committee of China Chemical Construction Enterprises Association held its annual meeting in Luoyang in 2018. The group company independently developed the "three-dimensional model applied in the industrial pipeline installation factory", which received unanimous praise from the participants. The research and application has been in the leading level in the industry. The meeting also summarized the work of the Technical Working Committee in 2018, studied and put forward ideas for future work, decided to carry out exchanges of scientific and technological achievements in various ways, guide member enterprises to strengthen basic research, highlight key technologies, cutting-edge technologies and modern engineering technology. At the same time, the exchange of scientific and technological innovation achievements of member enterprises was organized. Many member enterprises exchanged and discussed on the summary of scientific and technological innovation experience, the development of large-scale hoisting new technology, the application of "intelligent site" in the project, factory prefabrication, the construction of new steel structure intercooling tower, etc. (Wu Donghui)