Before production, checking whether the cables, circuit breakers, contactors, motors and other electrical appliances

meet the requirements.

2. Before the production, check whether the three-phase power supply is balanced or not.
3. During the production period, check whether the rotary joints are safe and whether the pipelines are unblocked,

broken or leaked, and remove them in time.
4. Before the production, the hot oil melting machine must be turned on. After the temperature rises to the required temperature

 it can be produced. Before production, check whether the pressure of each barometer is normal, whether there is any air leakage in

the gas line.
5, Before production, checking the fastening of each connection, whether there is loosening, shedding parts.