NANXIN

Bitumen; plasterboard; gutter pipes not of metal; water-pipes, not of metal; water-pipe valves, not of metal or plastic; drain pipes not of metal; drain traps (valves), not of metal or plastic; pipes (penstock), not of metal; plastic building materials in the form of tubes, boards, poles and bars; building glass; binding agents for making briquettes; statues of stone, concrete or marble; refractory construction materials, not of metal