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High and low temperature for industrial products of high and low temperature reliability test. Electronic and electrical, automobile motorcycle, aerospace, ship weapons, universities, research institutes and other related products, parts and materials in the high and low temperature (alternating) cycle changing circumstances, testing its performance. Product has a wide range of temperature control, the performance indicators have reached the national standard GB10592-89 high-temperature test chambers for press GB2423.1, GB2423.2 "electric and electronic products environmental testing Tests A: Cold test methods, test B: Dry heat test "the product temperature, high temperature test and the constant warm temperature tests. Products meet GB2423.1, GB2423.2, GJB150.3, GJB150.4, IEC, MIL standards.