Black Pre Galvanized Steel Square Tubing With Chemical Composition Testing

Galvanized Steel Square Tubing,square tubes,rectangle tubes

Surface Treatment:

black, oil, Black Oil Surface Or Other Anti-corrosive Treatment

1) Black,Pre-galvanized

2) oiled,powder coating

3) Galvanized as your requirement

PS:Pre galvanized steel pipe: 60-150g/m2;Hot dipped galvanized steel pipe: 200-400g/m2

Inspection

With Chemical Composition and Mechanical Properties Testing; Hydrostatic Test, Dimensional and Visual

Inspection, With Nondestructive Inspection

Special Pipe:Square and rectangular tube

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.

Company imformation



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 .




Production lines:

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

JIANGSU GUOQIANG ZINC PLATING IND.CO.,LTD. Established in 1998, ranked among top 500 private companies of China. It is totally 800,000sqm area with more than 5000 empolyees. Total output will exceed two millon tons in 2017. It is the biggest manufacturer of highway guardrails and solar panel bracket in China. The biggest manufacturer of ERW tubes,hot dip galvanized tubes in East Part 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 profiles. It has 22 lines of hot dip galvanizing. Other products include spiral welded pipe, electricity tower,highspeed rail noise barrier etc. Products already sold to around the world for more than 10years. Jiangsu guoqiang has won good reputation with its good quality product but fair price.

For international market .we are :

No.1 solar panel mounting structures supplier in China

No.1 highway guardrail supplier in China

The leading manufacturer for Noisy barrier / ringlock scaffoldings /zinc coating production in China