The 4th Smart Manufacturing Forum (SMF-2026) aims to grasp the development trend of the manufacturing industry, promote the development of intelligent manufacturing, and offer a great opportunity for scientists, scholars, engineers, and practitioners, at any stage in their career, to present, develop their research, and network with other experts. And the program covers a wide range of themes including Artificial Intelligence, Robotics, 4D Printing, and Additive Manufacturing, IT and ICT, Advanced Materials, High-end Manufacturing Equipment Industries, and Factory of the Future, etc