High quality black square / rectangular steel pipe , galvanized square steel tube
Square tube is a kind of name of square pipe, which is equal length of steel
pipe. It is a strip of steel through the process of processing. Change the
square pipe: generally it is to take the strip steel through unpacking,
smooth, coil, welding to form a round tube, then the round tube rolled into a
square tube and then cut to need length.
processing method: cold roll forming with ERW welding
material: Low carbon hot rolled coils
steel grade: Q235B~345B
surface treatment: hot dip galvanizing
Application: building materials, construction materials.
JiangSu Guoqiang Zinc Plating Industrial Co.,Ltd. Our company established in
1998.ranked among top 500 private companies of china .its totally 800.000sqm area
with more than 3000 empolyees .total output will exceed two million tons in 2017.
its the biggest manufacture of highway guardrail and solar panel braket in china .
the biggestmanufacture of ERW tubes .hot dip galvanized tubes in east Pat of china
as well as hot dip galvanizing processing .jiangsu guoqiang has more than 10 Lines of cold forming
processing .producing various kind of cold formed profile .it has 22 lines of hot dip
galvanzing .other products include spiral welder pipe .electricity Tower .highspeed rail
noise barrier etc.products already sold to around the world for more than 10 years
.jiangsu guoqiang has won good reputation with its good quality product but fair price .
Welded steel tube production: 12lines
Cold forming produciton: 8lines
Zinc coating produciton: 22lines
Powder coating produciton: 2 lines
Sheet pile: 1 line
spiral welded pipe: 3 lines
High quality and good price ! If you have problems
please do feel free to contact us for detials!
products already sold to around the worlds for more
than 10 years