1. Improved Load Capacity: Upgrading and retrofitting of thermal vacuum test chambers for high heat generation and batch product testing.
         2. Product Surface Temperature Control: Temperature regulation on the surface of heat-generating test pieces inside thermal vacuum test chambers.
         3. Signal Transfer Box: Facilitates cabin penetration wiring for thermal vacuum test chambers.
         4. High-Voltage Insulation Flange: Used for thermal vacuum test chambers to connect power supplies with a voltage of 3000V or below.
         5. Pressure Control Module: Equipped on thermal vacuum test chambers to meet the test requirements of low-pressure discharge and micro-discharge.