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This series of environmental test boxes can provide a simulated environment for users to inspect and test electronic and electrical components, spare parts or experimental departments in related industries, and provide conditions for the accuracy and consistency (repeatability) of test data. This product has simple operation performance and reliable equipment performance, advanced and convenient operation measuring device, high degree of structural integration, scientific air circulation design, uniform indoor temperature and humidity, avoiding any dead angle; complete safety protection device to avoid Avoid any potential safety hazards and ensure the long-term reliability of the equipment