Classification Information
Non-metal sliding doors; Non-metal safety doors; Folding doors, not of metal; Non-metal roll shutters; Non-metal garage doors; Drain pipes, not of metal; Water-pipes, not of metal
Nonmetallic Building MaterialsNon-metal sliding doors; Non-metal safety doors; Folding doors, not of metal; Non-metal roll shutters; Non-metal garage doors; Drain pipes, not of metal; Water-pipes, not of metal
Nonmetallic Building Materials