ERW Galvanized Pipes & Tubes has long been one of the most used
building materials in the world. For decades, designers, builders
& consumers seeking long term structural performance, in the
tuff outdoor applications, have turned to zinc coated steel pipes.
Supply the best hot dipped galvanized round steel pipe for our
customers,our factory have 3 production lines with advanced
equipment.we have acquired certificate of ISO9001:2008 quality
system,ISO14001,ISO18001,we also obtained the SGS and TUV
Professional quality control-We have research and quality
inspection center,infrared carbon and sulfur analyzer,sewage
chemical oxygen demand test analyzer,Mn Si phosphorous interlligent
analyzer,and absorption sepctrophotometer test machine.