| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | Polyester Grade | MT | 551.21 | USD | 20251210 |
| Sinopec | China national standards | MT | 614.81 | USD | 20251210 |
| Shandong Hongshuo Chem | Polyester Grade | MT | 537.08 | USD | 20251210 |
| Lihuayi Weiyuan Chem | Industrial Grade | MT | 551.21 | USD | 20251210 |
| Liao Jinxinda | China national standards | MT | 530.01 | USD | 20251210 |
| Beijing Yanshan Petro | China national standards | MT | 692.55 | USD | 20251210 |
| Jinan Angxin Chem | China national standards | MT | 593.61 | USD | 20251210 |
| Shandong Qiangsen Chem | China national standards | MT | 508.81 | USD | 20251210 |
| Sinopec | China national standards | MT | 636.02 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 551.21 | USD | 20251210 |