The registration address of the chengcheng metalworks factory is located on the west side of the village of pejiang, north han city, hebei province, with the registration authority being the market supervision authority of the city, represented by a legal person, liu wei, operating on general projects: manufacturing of doors and windows; selling of doors and windows; retailing of hardware products. (in addition to projects subject to authorization as prescribed by law, operating on an autonomous basis under a licence of law)