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

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

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

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

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

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

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

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

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.

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

Wuxi Hushang Metal Materials 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.

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

Tianjin Yougang Supply Chain 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