Baoding Tianwei Baobian Electric Co., Ltd. (BTW) originates from Baoding Transformer Works founded in 1958. BTW is dedicated to developing and manufacturing state-of-the-art and most reliable power transmission equipments, such as power transmission and generator step-up transformers up to 1000kV 1500MVA, phase shifting transformers up to 345kV 650MVA, HVDC converter transformers up to +/-800kV 321MVA, shunt reactors up to 1000kV 240Mvar, etc. With total production capacity up to 160,000 MVA per year, BTW ranks among the largest manufacturers in the world. BTW services customers in more than 40 countries including USA, Canada, UK, France, India, etc.