Shanghai Automation Instrumentation No. 3 Factory

WRR-420 thermocouple

WRR-343 thermocouple

WRR-342 thermocouple

WRR-341 thermocouple

WRR-340 thermocouple

WRR-333 thermocouple

WRR-332 thermocouple

WRR-331 thermocouple

WRR-330 thermocouple