Routine maintenance Maintenance of kitchen utensils: 
      ① advance the establishment of a complete device file, eliminating the need to replace the troublesome after routine maintenance spare parts and accurately find the best match parts. 
      ② coke oven stove cleaned regularly, the best fire burning insurable value of the state, improve work efficiency. 
      ③ regular maintenance of refrigeration equipment that allows the device has the best operating results, eliminating the power consumption, poor cooling effect, burn compressor and affect the work, increase the consequences of energy consumption, extend the life of the equipment. 
      ④ fume hood, smoke pipe, smoking cabinet cleaned regularly, can protect the devices work best results, put an end to fires and other serious security risks. 
      ⑤ regular maintenance of electric equipment can detect a fault line, eliminating unexpected failures occur frequently in key parts of the filling of lubricant to ensure the normal operation of the equipment, extend the life of the equipment.