When choosing a 5 Axis High Speed CNC machining center, it is important to consider a few factors, such as your specific application, budget, and desired features. Some well-known brands in the industry include Makino, DMG Mori, Okuma, and Haas. It is also important to research and compare the specifications of different machines to ensure they meet your needs, and to also take into consideration the after-sale services, such as maintenance and spare parts support. It is also highly recommended to visit the showroom or request a demonstration of the equipment before making a decision.