Company Description
Hebei Delong Xiandai Manufacturing Co.,ltd. estabished in 2005.We are specialized in manufacturing ASTM A500 and ASTM A53 tube.all our specifications are as follow: 1/2"*1/2"--3"*2" wall is 0.060”—0.120”square tube ERW SQUARE/RECTANGULAR STEEL TUBING,ASTM A500 GR-A,OILED,MATERIAL:HR &PNO. HGI(hot galvanized) pipe:OD 48.0mm--76.3mm.wall is 1.5mm—2.0mm and so on