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By certification 
We can produce and supply to you various steel pipes according to international standard. Hot dip galvanized steel pipes or Black steel pipes are used in the following fields,steel structure, build structure, scaffolding tube, transportation of low pressure liquid and gas etc. Our products are exported to about 60 countries in the world; we get a lot of recognition from many customers since our good quality and service.
Galv.: Hot-dip Galvanizing
Size: 1/2”---8”
Temperature: -30℃--80℃
Normal Pressure: 0.1 Mpa--8Mpa
Connection: Grooved、Plained、Threaded
Application: Water System, Sprinkler System, Gas system, Oil and HAVC System
Product Advantages:
Galv. coating is uniformity, clean and bright.
Using 0# zinc ingot, with good anti-corrosion ability.
http://www.baolaisteelpipe.com/
