Square Type Top Rail known as tube type top rail, tubular type top rail, box bar top rail.
Top Side Rail 顶纵梁
SSS-D09-01A
3.0*60*60*5702
Square tube
SSS-D09-02A
12*50*5702
strap iron
SSS-D09-02C
14*50*5702
strap iron
SSS-D09-03
T=4.0L=2400"U”Type
Maersk
SSS-D09-04
T=4.0L=2400"W”Type
Maersk