When sourcing for B2B applications, prioritize Load Capacity, ensuring the mount can support at least 1.5 times the weight of the projector. Look for Universal Mounting Patterns (VESA compatible) to ensure fitment across different brands. Adjustability is critical; seek models offering +/- 15-degree tilt, 360-degree rotation, and telescopic arms for flexible throw distances. Material-wise, cold-rolled steel or high-grade aluminum alloy with a powder-coated finish provides the best durability and professional aesthetic.