| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 692.15 | USD | 20251202 |
| Sinopec | China national standards | MT | 565.02 | USD | 20251202 |
| Shandong Jinwen Chem | China national standards | MT | 508.52 | USD | 20251202 |
| Wuhan Hengjiu Chem | China national standards | MT | 621.52 | USD | 20251202 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 522.64 | USD | 20251202 |
| Shandong Junfeng | China national standards | MT | 621.52 | USD | 20251202 |
| Shandong Qiangsen Chem | China national standards | MT | 508.52 | USD | 20251202 |
| Jinan Angxin Chem | China national standards | MT | 593.27 | USD | 20251202 |
| Beijing Yanshan Petro | China national standards | MT | 522.64 | USD | 20251202 |
| Lihuayi Weiyuan Chem | Polyester Resin Grade | MT | 504.28 | USD | 20251202 |