JINAN XINJIYUAN SPECIAL SECTION TUBE CO.,LTD. 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 specifications.


Material 

Quality Systerm 
We are ISO,CE BY LR certificated.Our Factoty has 20 years' experience in manufacturing square and rectangular tube.Our products have been exported to America,Britain,Saudi Arabia,Malaysia,South Korea and many other countries.


Inspection 
After we finish manufacturing,we will inspect steel tubes.
a.Technical Properties:Dimensions,Flattening Test, Bending Degree, Twist,Radius 
of Corner,We could guarantee all the technical requirements according to standard.
b.We could provide MTC(Including Chemical composition Mechanical property),these 
could guarantee the material.
c.Welcome our customer to our factory to inspect goods.If you need,you also could ask 
third party(SGS,BV) to inspect goods.
All the measures to show our determination to manufacture high quality steel tubes

Test 
Our factory has own lab room which will test steel tube after manufacturing.
This guarantees quality of steel rube.
1.Chemical Component Analysis (C,Si,Mn,S,P)
2.Mechanical Properties
 (Tensile Strength, Yield Strength, Elongation )
MTC is supplied.


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