Special requirements for the ordering and supply of electric heating tubes, data source: People's Republic of China Machinery Industry Standard JB/T2379-2016 "Metal Tubular Electric Heating Element"
9.2 Special Requirements
The user may make the following special requests to the supplier:
a． Different requirements for unit system, power supply voltage, power frequency, etc
b． Different requirements for the environment in which it is used
c． Special requirements for heating elements
d． Special requirements for packaging
The supplier should meet the special requirements of the demander as much as possible, but the special requirements items that can actually be selected by the demander shall be determined by the supplier according to their respective conditions with reference to this standard, and the supply and demand parties shall write the special requirements into the supply contract.
