| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | Polyester Grade | MT | 529.82 | USD | 20251127 |
| Qingdao Shengze Chem | China national standards | MT | 529.82 | USD | 20251127 |
| Shandong Yaowang Chem | Polyester Grade | MT | 562.31 | USD | 20251127 |
| Shandong Yushuo Chem | Polyester Grade | MT | 593.4 | USD | 20251127 |
| Shandong Aite Chem | China national standards | MT | 494.5 | USD | 20251127 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 522.75 | USD | 20251127 |
| Shandong Yuxuan Chem | Industrial Grade | MT | 536.88 | USD | 20251127 |
| Shandong Yuxuan Chem | Polyester Grade | MT | 551.01 | USD | 20251127 |
| Beijing Yanshan Petro | China national standards | MT | 601.87 | USD | 20251127 |
| Qingdao Shengze Chem | China national standards | MT | 529.82 | USD | 20251127 |