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20 years Galvanized square tubing Manufacturer

TYTSTEEL is a Leading Galvanized Square Tubing manufacturer in China. You can find all sizes (customized diameters, thicknesses, lengths) and steel grades of Galvanised Square Tube.

Download Gi Square Tube Catalog

TYTSTEEL teams specialized in the industry for over 20+ years with rich experience in different construction projects, Manufacturing Gi Hollow Pipe with an Annual Capacity of over 800,000 Tons.
TYTSTEEL team can design and customize for unique requirements, and you can find all sizes (customized diameters, thicknesses, lengths) and steel grades of Galvanized Steel Square Tubing.

China Hot Dipped galvanised square tube gi hollow pipe galvanized steel square tubing

Materials: Q345, Q235,60*2, 56*2mm, 48*2.0mm, 40*2.0mm.

Surface treatment: Electroplated, hot dip galvanized, painting.

Procedure: Cutting, Drilling, Plating cutting, Forming, Welding, Remove welding slag,Galvanized, surface finishing, packing, shipping.

Components: Standard, Ledger, Brace, plank, base plate.

Certificated: ISO9001 and SGS.

Pre-galvanized Pipe Size List
hot dip galvanized pipe Test and Quality Control

Advantages Of Sourcing Gi Hollow Tube From TYTSTEEL

Quality Policy

As a CE Certified and ISO9001 Scaffold Factory, TYTSTEEL proceed strictly quality control from raw material to welding line, straight and galvanizing adhere, etc. We also test the Gi Hollow Tube in chemical and physical. Include Steel chemical composition, Tensile Strength, Yield Strength, Elongation, Flatten, and Bending.

Zinc weight

We offer a true hot-dipped (fused to the metal for much longer life and better looks) pipe. Our products are all coated at the rate of 650 grams per sq meter while some of our competitors are only managing 200 grams per square meter. Meanwhile, Our galvanised square tube production capacity is 1000 tons per day. You can expect a quick delivery for your gi square tube orders here.

Gi Square Tube OEM & ODM Customized service

We have 14 production lines, that can satisfy various requests of customers. Producing and processing one-stop service.
We can provide: High precision laser cutting services, Saw cutting services, Galvanizing services, Hole punching services, Bending services, and Sandblasting services.Meanwhile, your company logos are able to engraved(embossed) on your products too.

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Welcome to visit our Galvanized square tubing factory

Tianjin Tianyingtai Steel Group Is Located In Jinghai County, Tianjin,
and is professionally engaged in steel production sales, steel processing, greenhouse engineering with accessories, and export business. It has been experienced for 20 years so far. That’s right, you can rely on us!

Still doubtful? Here are other reasons why we’re your best bet:

Enterprise Certificate

Our company has passed international certifications such as ISO, CE, LR, and the Philippines, and supports third-party testing such as SGS and BV.

we’re 100% legit.

Galvanized pipe certificate
Galvanized pipe certificate
Galvanized pipe certificate

Comments from Our Customers

Have a look at how some of our clients perceive our goods and services:

Our Main Materials Suppliers

B2B And B2C Solution

The customers who have cooperated with us for a long time have a profit growth rate of 18% in the first year and 29% in the second year.


If you’re an importer, or a distributor, or a wholesaler, you need large quantities

1. Our annual export volume can reach 600,000 tons. We know your market very well and we will do our best to help you expand your business there.
2. We have a regular shipping company that can save you a lot of money on freight.
3. We have our own factory and processing line, which can be mass-produced.
4. New customers can get a 1%-5% discount on their first order.


If you’re an end user, you’re buying a small amount, don’t worry

1. We have stock products for common products on the market

2. We support 10%-30% advance payment.

3. It doesn’t matter if the product you want is short of the minimum order quantity. Don’t worry, we can produce together with the mass products.

4. Experienced consultant for one on one service to help you increase profits.

Contact TYTSTEEL For Your Project

TYTSTEEL has rich experience in galvanized square pipe manufacturing.
You will not want to miss a quality gi hollow pipe manufacturer, send us a quote and you will get more.

GI Pipe – The Comprehensive FAQ Guide

Yes , we could offer the sample for free charge but do not pay the cost of freight . If you place the order after confirm the sample , we will refund your express freight or deducte it from the order amount .

Sure, we have a permanent freight forwarder who can gain the best price from most ship company and offer professional service.

It is based on the order, normally 15 – 20 days after receiving the deposit or L/C at sight.

You can send your ms pipe diameter, thickness, and lengths needed to TYTSTEEL. We will quote you the price. Then place orders, do the payment. We will send the scaffold tubes to your port or address.

Please offer the specification of the product,such as material,size,shape,etc.So we can give the best offer.

Ask For A Quick Quote

We will contact you within 1 working day, please pay attention to the email with the suffix “@tytgg.com.cn”