We are factory (our price will have an advantage over trading companies).
Don't worry about the delivery date. We are sure to deliver the goods in time and quality to achieve customer satisfaction.
Different From Other Factories
We applied for and received 3 patents (Groove pipe, Shoulder pipe, Victaulic pipe).
Port: Our factory is just 40 kilometers from Xingang port, the biggest port in the north of China.
Our manufacturing equipment includes 4 pre-galvanized product lines, 8 ERW steel pipe product lines, and 3 hot-dipped galvanized process lines.
Customer Case
Australian customer purchase powder coating pre galvanized steel square tube. After customers receives the goods for the first time. Customer tests adhesive strength between the powder and the surface of the square tube. Customers test powder and square surface adhesion is small. We have meetings with customers to discuss this problem and we do tests all the time. We polished the surface of the square tube. Send the polished square tube to the heating furnace for heating. We tests all the time and discuss with customer all the time. We keep finding ways. After many tests, the final customer is very satisfied with the products. Now customer purchase a large number of products from factory every month.
Customer Photos
The customer purchased steel pipes in our factory. After the goods were produced, the customer came to our factory for inspection.
Produce Products
Frequently Asked Questions
What standards do your powder coating square tubes comply with?
Our square tubes are manufactured in accordance with major international standards, including GB/T6728--2002, ASTMA500GR.A.B.C, and JIS G3466, utilizing high-quality Q195 to Q235 steel grades.
What is the range of sizes and thicknesses you can provide?
We offer a wide sizing range from 10mm*10mm up to 1000mm*1000mm for square shapes, and 10mm*20mm up to 500*1000mm for rectangular sections. The available thickness ranges from 0.6mm to 30.0mm.
How do you ensure proper adhesion of the powder coating?
To guarantee optimal adhesion, we polish the surface of the square tube thoroughly and pass it through a heating furnace prior to the powder coating application. This ensures long-term coating stability and durability.
Do you hold any certification for these steel profiles?
Yes, our powder coating square tubes are CE certified, confirming they meet European health, safety, and environmental protection standards.
What are the primary applications for this product?
These powder-coated square and rectangular sections are ideal for structural piping, construction frame systems, support frameworks, and various architectural applications.
Are you a direct manufacturing factory?
Yes, we are a direct factory. This allows us to provide a significant pricing advantage over trading companies and maintain strict control over quality and delivery timelines.
Minjie Steel
