| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 620.55 | USD | 20251120 |
| Shandong Junfeng | China national standards | MT | 620.55 | USD | 20251120 |
| Shandong Shuojia Chem | China national standards | MT | 676.96 | USD | 20251120 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 564.14 | USD | 20251120 |
| Shandong Rongxin | Polyester Resin Grade | MT | 535.93 | USD | 20251120 |
| Shandong Shuojia Chem | Polyester Grade | MT | 676.96 | USD | 20251120 |
| Shandong Yushuo Chem | Polyester Grade | MT | 592.34 | USD | 20251120 |
| Shandong Zhenkun | China national standards | MT | 606.45 | USD | 20251120 |
| Shandong Qiangsen Chem | China national standards | MT | 507.72 | USD | 20251120 |
| CNOOC | Polyester Grade | MT | 648.76 | USD | 20251120 |