Tianjin Lefin Industrial Co., Ltd is one of the most experienced manufacturers and suppliers of structural square rectangular hollow section in China. Please feel free to buy high quality structural square rectangular hollow section from our factory. Good service and reasonable price are available.
Structural Square Rectangular Hollow Section

Structure Construction: Hall Structure, Sea Trestle, Airport Structure, Shipbuilding, Security Door Frames, Garage Doors, Strengthening Liners of Steel Doors and Windows, Indoor Partition Walls, Cable Bridge Structures and Expressway Safety Guards, Balustrade, Decorating, Residential, Ornamental Pipes,Curtain Wall, High-rise Buliding.
EN 10219 Cold formed welded structural hollow sections of non-alloy and fine grain steels
EN 10210 Hot finished structural hollow sections of non-alloy and fine grain structural steels
ASTM A500 Cold Formed Welded and Seamless Carbon Steel Steel Structural Tubing in Round and Shapes
JIS G 3466 Carbon steel Square for general structural purposes
GB/T 6728 Cold formed steel hollow sections for general structure--Dimensions,shapes,weight and permissible deviations
Size Range from 20*30mm to 1000*1500mm and 1200*1200mm
Thicknesss:1.5 to 60mm
Length: any cut lengths you want.
Our highly skilled and technical sales team will be happy to answer all your inquiries.
Call Me for a free and immediate reply,Elva (mob/whatsapp/wechat) 0086-15122519420
or send me email: elvazhao@lefinsteel.com






Q1. Where is your factory ?
A1: Our company's processing center is located in Tianjin, China.
Q2. Which loading port do you use ?
A2: Xingang port,China
Q3. How do you control quality ?
A3: Mill Test Certification is supplied with shipment, Third Party Inspection is available.
Q4. What are the advantages of your company ?
A4: We have many professionals, technical personnel, more competitive prices and best after-dales service
Q5. How many coutries you already exported ?
A5: Exported to more than 70 countries mainly from America, Russia, UK,Saudi Arabia, Kuwait, Egypt, Iran, Turkey, India, Malaysia,Philippines,Vietnam,Signapore,Thailand,Australia,Peru,Chile Ecuador,Colombia,Mexico,
Bolivia, Nigeria,Mozambique Ghana Somalia Ethiopia Kenya, South Africa ,Kazakhstan and so on
Q6. Can you provide sample ?
A6: Small samples in store and can provide the samples for free.
Customized samples will take about 5-7days
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