... ,MC2X18.7,L5X5X5/16,L4X4X3/8,L3 1/2X3 1/2X 1/4,L3X3X1/4,L2 1/2X2 1/2X1/4,L2X2X5/16,25 THK.PLATE ... short period construction, economical and beautiful advantages, easy to install. 1.We could design,manufacture ,and export following kinds of metal ... structure (light steel structure ) products: 1)Metal structure series, such as Portal Steel Frame, Tower construction ...