we yuxuan steel and iron company mainly  do square steel tube(welded pipe). we can supply so many kinds of them and always exported them to all over the world.

square steel pipe
1) material:Q195-235
2)thickness:0.8-10mm
3)OD:10x20---50x100mm;

4)standard length:6m

5)surface treatment:oiled or black apinted to prevent rust
6)used for construction

we can supply you the higher quanty at good price with our best service.

if you are interested in them,pls kindly tell me.

tel:0086 315 5019002

mob:00 18332709640

fax:0086 315 5019003