The registration address of hangzhou cotan electronics ltd. Is located in room 103, number 63, of the uyghur village waist dam no. 63, west lake district, hangzhou city. The registration authority is the market supervision authority of hangzhou west lake district, represented by a legal person, sun min, which operates in the following areas: wholesale and retail: electronic metaware, electronic accessories, electronic wire plug-in; production, processing: electronic connection beams。