CNC machining involves using computer-generated code to precisely control machine tools to cut complex shapes out of various materials like wood, plastic, and metal. The document describes a CNC machining service located in East London that can help convert designs into CNC code and cut materials with their large-format CNC router, which has a cutting area of over 15 feet by 8 feet and can handle materials up to 6 inches thick. As CNC specialists, they can advise customers through all stages of a project from initial design to prototyping to finished products.