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.
Frequently Asked Questions (FAQ)
What standards do your powder coating square tubes comply with?
Our powder coating square tubes comply with standard specifications including GB/T6728--2002, ASTMA500GR.A.B.C, and JIS G3466.
What size and thickness options are available for the square tubes?
We offer a wide range of sizes from 10mm*10mm up to 1000mm*1000mm (square) and 10mm*20mm up to 500*1000mm (rectangular), with thicknesses ranging from 0.6mm to 30.0mm.
What are the advantages of purchasing directly from your factory?
As a direct factory, we offer highly competitive pricing compared to trading companies, alongside reliable delivery schedules and strict quality control.
Do you hold any production patents?
Yes, we have received 3 patents for specialized products: Groove pipe, Shoulder pipe, and Victaulic pipe.
How do you ensure the powder coating adhesion quality on your square tubes?
We strictly test and optimize our process. For specific quality needs, we conduct custom adhesion tests, polish the surface of the square tube, and send the polished tube to a heating furnace before powder coating to ensure perfect bonding.
Where is your factory located in relation to shipping ports?
Our factory is located in Tianjin, just 40 kilometers from Xingang port, which is the largest port in Northern China, ensuring fast and efficient logistics.
Minjie Steel
