Chamber with a rapid temperature change rate can be used to perform cold test, heat test and thermal shock test. It followed the requirements of standard IEC60068-2-1, IEC60068-2-2 and IEC60068-2-14. Steady damp heat chamber can be used to perform cold test, heat test and steady damp test. It followed the requirements of standard IEC60068-2-1, IEC60068-2-2 and IEC60068-2-78. The drop tester is used to perform drop test and free falling test. It followed the requirements of standard IEC60068-2-31.