The three-volume set CCIS 923, CCIS 924, and CCIS 925 constitutes the thoroughly refereed proceedings of the First&nbsp;International Conference on Intelligent Manufacturing and Internet of Things,&nbsp;and of the 5th International Conference on Intelligent Computing for Sustainable Energy and Environment, ICSEE 2018, held in&nbsp;Chongqing, China, in September 2018.<div>The 135 revised full papers presented were carefully reviewed and selected from over 385 submissions.The papers of this volume are organized in topical sections on:&nbsp;digital manufacturing;&nbsp;industrial product design;&nbsp;logistics, production and operation management;&nbsp;manufacturing material;&nbsp;manufacturing optimization;&nbsp;manufacturing process;&nbsp;mechanical transmission system;&nbsp;robotics.</div>