We are in requirement of Thermostat -F- Heater for our new project diesel engine filter . Herewith with we attached our drawings below for your reference and quote purpose . The material grades are specified in the attached drawings. So please go through it and send us your quote at earliest.Annual Volume - 10000 Nos.Application : The thermostat -F- heater is going to used in diesel filter to sustain the diesel in liquid state in cooling temperature from ( 0 ~ -10 ℃ ).