This intelligent heated protective clothing is suitable for workers operating in alpine and extreme cold environments with temperatures ranging from -15℃ to -40℃. It applies to cold-operation positions in industries including petrochemical, power generation & construction, engineering construction, road administration & transportation, urban sanitation, communication & logistics, airports and ports, etc.Applicable Product Standards: GB 8965.1, GB 31241, GB 12014 和GB 20097。