| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 621.5 | USD | 20251126 |
| CNOOC | China national standards | MT | 565.0 | USD | 20251126 |
| Shandong Qiangsen Chem | China national standards | MT | 508.5 | USD | 20251126 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 522.63 | USD | 20251126 |
| Qingdao Shengze Chem | China national standards | MT | 529.69 | USD | 20251126 |
| Shandong Yihe Chem | China national standards | MT | 515.57 | USD | 20251126 |
| Shandong Fusheng | China national standards | MT | 508.5 | USD | 20251126 |
| Lihuayi Weiyuan Chem | China national standards | MT | 607.38 | USD | 20251126 |
| Lihuayi Weiyuan Chem | China national standards | MT | 522.41 | USD | 20251125 |
| Lihuayi Weiyuan Chem | China national standards | MT | 522.41 | USD | 20251125 |