The registration address of bainzhou city is located in the north-west corner of the village of consheng city, baygsing city, gobe province, with the registration authority being the baygsang city business administration authority, represented by a legal person, li wangui, and covers the processing and installation of aluminium alloy doors and windows, broken aluminium alloy doors and windows, stainless steel doors and windows, plastic steel products, paintworks and aluminium wood doors; installation and maintenance of ventilations and electric doors; sale of composite panels, panels, glass, metal products, electronic components, electric machines and accessories, and decorating and furnishing materials. (projects subject to legal approval may not operate without the approval of the relevant department)