How should a commercial noodle boiler be cleaned and descaled?

Please verify the following points and require itemized written supplier responses:（commercial noodle boiler noodle-boiler-cleaning） Drain daily and clean residue, filters, baskets and drain valves; use suitable descaler and rinse thoroughly. Do not spray controls or electrical connections directly. 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.