When procuring OT equipment, technical precision is non-negotiable. For OT Tables, prioritize electro-hydraulic systems with a weight capacity of at least 250kg and multi-positional flexibility (Trendelenburg, lateral tilt). For Surgical Lights, ensure a high Color Rendering Index (CRI) of ≥95 and an adjustable illuminance of 120,000 to 160,000 Lux to minimize shadows. For Anesthesia Machines, look for integrated multi-parameter monitoring and high-precision vaporizers with automatic temperature and pressure compensation.