The registration address of tianjin railway equipment ltd. In shai city is at 1st row of 3 11 items of the market for mechanical spare parts in shai city, with the registration authority being the market supervision authority of shai city, represented by the legal person wang xiaona, and includes railway accessories, hardware, standard pieces, industrial or mining accessories, hardware, machinery, mechanical power, steel, sales (project authorized by law and subject to approval by the relevant authorities before operating) ***