The xaiang gate window factory (individual business and industry) is registered at 300 metres north of the village of buryu in the city of fuzhou city and is registered as the river city market supervisory authority, represented by legal persons, and operates on general projects such as: manufacturing of doors and windows; construction of metal doors and windows; sale of doors and windows; wholesale distribution of hardware products; sale of metal products (run autonomously under a licence of law except for legally authorized projects)。