outstanding quality with best price and service 1)raw material: carbon steel,stainless steel and so on.2)finish:zinc plated,hot dip galvanized,electrical galvanized,black,plain3)diameter:according to your drawing4)length:according to your drawing5)size:all sizes are available6)packing:bulk packing,small box packing,gunny bag packing,or packing according to customers' specification7)loading port: ...