Tianan products used in more than 30 countries and regions all over the world. Its main products include 252kV and below power transformer, outdoor HV disconnector, transformer; 126kV SF6 circuit breaker, GIS combined apparatus; box type substation below 40.5kV, ring main unit, mid-type switchgear, fixed type switchgear, gas insulated type switchgear, LV switchgear, HV frequency-changer, load switch, HV & LV circuit breaker, cable branch box, fuse, current transformer, voltage transformer, intelligent apparatus and dry type & oil type transformer, etc. Tianan power adheres to independent innovation, and to build to low-carbon economic development model.It has mastered the core technology of transformation and distribution equipment and core self-supporting ability long since. Its self-developed prefabricated substation, ring main unit, load switch, wind power switchgear, intelligent grid systems and many other products have achieved the international advanced level. National inspection-free products and ISO9001 quality system, ISO14001 environmental management system, ISO45001 occupational health and safety management system, metrology accreditation system and \\\"CCC\\\", \\\"PCCC\\\", other honors and certificates,Tianan power has all the above.