Kangting in stock 345 355b seamless low-alloy square and rectangular tubes, thick-walled rectangular tubes of various diameters

National standard galvanized square pipe Q235B hot-dip galvanized rectangular pipe for decorative use in rail transit pipe manufacturing projects

Shanghai Metals physical factory supplies low-alloy rectangular tubes, supports customization, and has an inventory of tens of thousands of tons

Hangtong Metal in-stock non-standard seamless square tube manufacturer Q235B hot-dip galvanized square and rectangular tubes for construction steel engineering use

Large-diameter square pipe Q355D non-standard seamless square steel pipe 20x40 for building frame pipe Customizable

Youfa Black Square Pipe Curtain Wall Steel Rectangular Pipe 60*120 Flat Tube In Stock Longitudinal Welded Pipe

Shanghai Metal cold-galvanized square tubes support custom sizes, physical factories, corrosion resistance, cold bending processing

Carbon steel Q355B square tube, Q235B glossy black square and rectangular tube, 40*80*8 thick-walled rectangular tube

Youfa hot-dip galvanized square pipes, galvanized square steel pipes, thin-walled rectangular pipes for construction projects

Discounted In-stock Q355C Square Tube Q355C Square Tube Wholesale and Retail Complete Specifications

Specializing in custom production of Q345D, Q345E large-diameter thick-walled seamless square tubes, and wholesale of Q345B square tubes in stock

National standard galvanized square pipe Q235B hot-dip galvanized rectangular pipe for decorative use in rail transit pipe manufacturing projects

Tianjin Yougang Supply Chain Co., Ltd.

Hangtong Metal in-stock non-standard seamless square tube manufacturer Q235B hot-dip galvanized square and rectangular tubes for construction steel engineering use

Shandong Hangtong Metal Products Co., Ltd.

Youfa Black Square Pipe Curtain Wall Steel Rectangular Pipe 60*120 Flat Tube In Stock Longitudinal Welded Pipe

Tianjin Yougang Supply Chain Co., Ltd.

Shanghai Metal cold-galvanized square tubes support custom sizes, physical factories, corrosion resistance, cold bending processing

Wuxi Hushang Metal Materials Co., Ltd.

Carbon steel Q355B square tube, Q235B glossy black square and rectangular tube, 40*80*8 thick-walled rectangular tube

Shandong Hangtong Metal Products Co., Ltd.

Youfa hot-dip galvanized square pipes, galvanized square steel pipes, thin-walled rectangular pipes for construction projects

Tianjin Yougang Supply Chain Co., Ltd.

Specializing in custom production of Q345D, Q345E large-diameter thick-walled seamless square tubes, and wholesale of Q345B square tubes in stock

Jiangsu Suju Steel Group Co., Ltd.

Shanghai Metals: Galvanized square tubes, corrosion-resistant, cold bending processing, supports custom sizes, physical factories

Wuxi Hushang Metal Materials Co., Ltd.

Q355B seamless square tube, thick-walled square and rectangular tube, custom specification, small R angle, can be made as a sleeve telescopic arm, 16mn material

In-stock wholesale 6m hot-dip galvanized square tubes, 20*40 square and rectangular tubes, galvanized square tubes, curtain wall high zinc layer steel pipes

Discounted In-stock Q355C Square Tube Q355C Square Tube Wholesale and Retail Complete Specifications

Q355NF square tubes, wear-resistant, damage-resistant, oxidation resistance, quick shipping in stock, long service life

Manufacturer wholesale Q235B/Q345 hot-dip galvanized square tubes 50*50 and galvanized square and rectangular tubes 40*60 all in complete specifications

Q355B square pipe in stock, galvanized square and rectangular tube, rectangular pipe, square pipe, full specifications available for fixed rolling

Q235B Q355B small-diameter thick-walled galvanized square tubes can be drilled, cut, and bended, for pipes used in building curtain walls

National Standard Q235 20*20 Galvanized Square Pipe Welded Pipe Thickness and Length Customizable Rust and Corrosion Resistant