The registration address of yau zhou zhuang building materials ltd. Is 230 m south-east of the town of tuang village in the city of jiuzhou, hebei province. The registration authority is the district market supervision authority, represented by legal person wang wengxia, and operates on general items: sale of construction materials; manufacture of metal materials; mechanical construction of construction works; construction of metal structures; sale of machinery for construction works; sale of metal products; sale of metal structures; sale of metal parts for construction; rental services (other than licensed rental services); rental of machinery and equipment; manufacture of cement products; sale of cement products; manufacture of asbestos cement products; sale of asbestos cement products; retail sale of hardware products; sale of labour protection supplies; sale of special labour protection items; import and export of goods; import and export of technology; import and export agents (run autonomous operations under a legal licence, except for legally authorized projects)