Testing equipment for evaluating the performance and durability of products and materials under various environmental conditions. Artificially reproduces environmental stresses such as temperature, humidity, salt spray, ultraviolet light, vibration, and shock to perform quality assurance and reliability evaluation of products. Includes constant temperature and humidity chambers, salt spray test machines, weathering test machines, thermal shock test machines, vibration test machines, etc., capable of conducting tests in compliance with JIS, ISO, ASTM and other standards. Used in quality control and R&D departments, essential for verifying environmental adaptability and long-term reliability of products.