白板,黑板(弧型教學)A-04規格W300xH122cm W360xH122cm W400xH122cmW420xH122cm W450xH122cm W480xH122cmW500xH122cm W600xH122cm板面材質選擇:歐洲UG、UM琺瑯板面、日本淀川、JFE板面、韓國聯合鋼鐵板面、台灣盛餘鋼鐵板面