JC-GDR-120A/210A/500A/1000A High and Low Temperature Alternating Humidity and Heat Test Chamber Type A
JC-GDR-120B/210B/500B/1000B High and Low Temperature Alternating Humidity and Heat Test Chamber Type B
JC-GDR-120C/210C/500C/1000C high and low temperature alternating humidity and heat test box type C