Lub Kaum Ob Hlis 2020, TH-Valve Nantong tau ua tiav qhov kev sib tw rau tsib ntu ntawm Sinopec's 2021-2022 txheej txheem txhua xyoo valve ncej kev sib tw

5 seem suav nrog:

1) Refining Segment: American Standard> Nruab Nrab Siab> Nruab Nrab thiab Me Me Calibre> Carbon Steel;

2) Refining Segment: American Standard> Nruab Nrab Siab> Loj Calibre> Carbon Steel;

3) Refining Segment: American Standard> Nruab Nrab Siab> Stainless Hlau, Alloy steel;

4) Refining Segment: Suav Standard> Nruab Nrab Siab;

5) Roj teb ntu: Nruab nrab thiab me me caliber> Carbon hlau, Stainless hlau, Alloy hlau.