ERW Square Pipe: 1.The products standard: GB/T9711.2-1999,ASTM A500 2.Size Area: 20mmX20mm~~200mmx200 Thickness:1.5mm-8mm length:3.8m-12mm 3.Price term: CNF 4.Delivery: After received L/C, within 30days 5.Payment:By an 100% irrevocable letter of credit at sight 6.Others: to be discussed later Stock list 100mmX100mmX2.2mmX6m 100MT 50mmX50mmX2.2mmX6m 100MT