When sourcing a buffet counter, the material grade is paramount; ensure the main body is constructed from Food-Grade Stainless Steel (SUS304) for superior corrosion resistance and hygiene. For refrigerated units, verify the use of CFC-free refrigerants (like R290 or R134a) and high-density polyurethane insulation to maintain stable temperatures. If the counter includes heating elements, prioritize induction heating technology over traditional fuel burners for better energy efficiency and precise temperature control. Additionally, check the load-bearing capacity of the countertop, especially if using heavy marble or granite surfaces, to ensure it can support industrial-sized chafing dishes.