| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Qingdao Shengze Chem | China national standards | MT | USD | 20251121 | |
| Sinopec | China national standards | MT | USD | 20251121 | |
| Shandong Yuanhe Chem | Polyester Grade | MT | USD | 20251121 | |
| CNPC | China national standards | MT | USD | 20251121 | |
| Changzhou Qidi Chem | Polyester Grade | MT | USD | 20251121 | |
| Liao Jinxinda | China national standards | MT | USD | 20251121 | |
| Sinopec | China national standards | MT | USD | 20251121 | |
| Shandong Yuxuan Chem | Polyester Resin Grade | MT | USD | 20251121 | |
| Wuhan SK Petro | China national standards | MT | USD | 20251120 | |
| Zhengzhou Energy | China national standards | MT | USD | 20251120 |
