About Us

GRAND EXPERT (Taipei office) and YUNG CHAN (Tainan factory) represent the largest exclusive manufacturer of accessories for industrial temperature sensors, thermocouple connection heads, terminal blocks, connectors, fittings, bayonet, and temperature sensor accessories in Taiwan. Our thermocouple connection heads have been approved by BASSEFFA, TRL and SIRA on IP rating from IP65 to IP68. And now we are able to offer Ex d heads, the flameproof temperature transmitter housings, Exd IIC T6, Ex tD A21 T100'C IP6X, (including aluminum alloy head and stainless steel head) approved by BSI (ATEX) and FM (FMCUS).