When sourcing military-grade camping beds, the frame material is the most critical factor. Prioritize high-strength aircraft-grade aluminum alloy (e.g., 6061 or 7075) or powder-coated reinforced steel to ensure a weight capacity of at least 150kg to 200kg. For the fabric, look for 600D to 1200D Oxford cloth with PVC or PU coating, which provides essential tear resistance, water proofing, and UV protection. Ensure the joints use heavy-duty nylon connectors or steel rivets rather than plastic to prevent structural failure under extreme temperatures.