The registration address of encretion window limited, located in the southern region of the renchou economic development zone, hebei province, is east of the opening road and the aluminium road in the southern region of the renchou economic development zone. The registration authority is the market supervision authority of renchou, represented by a legal person, liu dexia. The scope of operations includes general projects: manufacture of doors and windows; sale of doors and windows; manufacture of metal accessories for construction; sale of metal accessories for construction; sale of metal products; sale of metal materials; sale of non-ferrous metal alloys; wholesale distribution of hardware products; repair of metal products; construction of metal doors and windows; research and development of metal products; sale of moulds; manufacture of safe, fire-fighting metal products; sale of fire equipment; sale of heat and soundproof materials; sale of intelligent vehicle equipment; and electrical and cable operations. (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)