Thick Wall Square Hollow Steel Pipe

Thick Wall Square Hollow Steel Pipe 

1.Brief Introduction of Company:

Our company focuses on the usage, development and research of square and rectangular tubes over the passed 20 years. We purchased three production lines at the cost of over 16 million for expansion of the new factory in 2012, These production lines make full-sizes of square tubes and rectangular tubes: 20x20mm-600x600mm, 20x30mm-600x800mm, Thickness:1.5mm-35.0mm,over 2800 kinds of specifications.

2.Manufacturing Process and Implementation of Standards:

3. Common Products:

4.Inspection of goods:

 5. Surface Treatment :

6.Certifications:

7.

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