长期销售Q345B方管、Q345C方管、16Mn无缝方管www.q345cfangguan.com
www.q345cfangguan.com/product-42.html
www.q345cfangguan.com/product-41.html
www.q345cfangguan.com/product-40.html
产品 材质 规格 价格
Q345B方管 Q345B 200*190*90 4850
Q345B方管 Q345B 30*25*2.0 4700
Q345B方管 Q345B 40*35*3.0 4900