国标40铝型材AGB06-J4040A 4040Y 4040YA4040RS 4080Y 4080A8080A

铝型材端面连接件3060/4080/6060/8080脚杯脚轮固定板万向轮支架

怡合达型材 AGB06-4040 4080 40120 8840 8080 A Y R YD YC YK

ABB01/02/03角座4040A码2020/3030/3060/4080B8080/4545/306/G408

4040/4080/6060/6464/8080工业铝型材脚座铝合金铸铝固定地脚围栏