Which costs are easy to miss in a quotation for Commercial Ice Machine water filter?

Please verify the following points and require itemized written supplier responses:（Commercial Ice Machine water filter） Confirm daily ice output, ice shape, cube weight, ambient temperature, inlet water temperature, storage capacity, drainage, ventilation and water quality. Check the compressor, evaporator, condenser, water pump, control board, refrigerant lines, filter, storage bin and cleaning plan. Define capacity, accuracy, materials and operating environment before requesting quotes on a uniform basis. Request specification sheets, test reports, certificates, maintenance manuals and spare-part lists. During acceptance, verify appearance, dimensions, functions, safety protection and packaging, and keep test records. Do not compare unit price alone; include customization, freight, spare parts, after-sales support and downtime risk. Keep written records of inquiries, confirmations, FAT, acceptance and warranty commitments.