Dry type transformer is made with vacuum, foil-type coil winding machines, and silicon steel sheets shearing equipment imported from Georg's; the technology is brought from Germany. The technical specification is totally reached GB1094, GB/Tl0228, GB6450 and IEC60076_ll international standers. This product can be widely used in electric power transmission systems, hotels, high-rise buildings, commerce centers, stadiums, petrochemical factories, airports, stations, offshore drilling platforms, and so on. Especially the places that are near the load center or need special fire safety requirements and whose installation space is limited. Thus advantages of small, good flame resistance can be very attractive.