石油天然气输送管用宽厚钢板
Wide and heavy plates for line pipe of petroleum and natural gas

2018-05-14

石油天然气输送管用抗酸性宽厚钢板
Wide and heavy steel plate for sour service petroleum and natural gas pipe lines

2019-06-04

石油天然气输送管用抗大变形宽厚钢板
Wide and heavy steel plates with high deformability for line pipe of petroleum and natural gas

2016-01-15

石油天然气输送管用抗酸性宽厚钢板
Wide and heavy steel plates for acid resistance for line pipe of petroleum and natural gas

2016-01-15

石油天然气输送管用热轧宽钢带
Hot rolled wide strips for line pipe of petroleum and natural gas

2013-05-09

石油天然气输送管件用钢板
Steel plates for line pipe fittinge of petroleum and natural gas

2013-12-17