The mechanical and electrical sector has a global layout and partners all over the world, taking "double carbon" as its responsibility, involving energy saving and environmental protection, new energy, transmission and control, intelligent equipment, waste heat recovery and other fields.Hope Slanvert" and "Hope Deepblue", the leader in waste heat recovery in China and the creator of the world's largest single lithium bromide heat pump, have two core brands, which are exported to nearly 40 countries and regions in five continents and contribute to the world's green low-carbon development.The relevant corporations under the board have obtained CE, UL, EAC, ISO9001, ISO14001, ISO45001, CRAA, CSC and other certifications.Hope Deepblue Air Conditioning Manufacturing Limited Corporation is a member of the "Double Carbon" Steering Group for the refrigeration and air conditioning industry.Hope Slanvert Technology Limited Corporation, a subsidiary of the board, participated in the preparation of the "Regulation on the rating of low-voltage DC speed-controlled electrical transmission systems", which belongs to the international standard "IEC 61800-1:2021 Speed-controlled electrical transmission systems", which is the first standard led by China in the field of IEC speed-controlled electrical transmission.