| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chem | Polyester Grade | MT | 551.01 | USD | 20251127 |
| Qingdao Shengze Chem | China national standards | MT | 529.82 | USD | 20251127 |
| Shandong Yushuo Chem | Polyester Grade | MT | 593.4 | USD | 20251127 |
| Qingdao Shengze Chem | China national standards | MT | 529.69 | USD | 20251126 |
| Qingdao Shengze Chem | China national standards | MT | 529.69 | USD | 20251126 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 678.0 | USD | 20251126 |
| Shandong Junfeng | China national standards | MT | 621.5 | USD | 20251126 |
| Shandong Qiangsen Chem | China national standards | MT | 508.5 | USD | 20251126 |
| Jinan Jinrihe Chem | China national standards | MT | 579.13 | USD | 20251126 |
| Shandong Fusheng | China national standards | MT | 508.5 | USD | 20251126 |