| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 569.2 | USD | 20250927 |
| Shijiazhuang Kainiu Chem | China national standards | MT | 590.29 | USD | 20250926 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 562.93 | USD | 20250925 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 569.96 | USD | 20250925 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 569.96 | USD | 20250924 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 562.93 | USD | 20250924 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 562.93 | USD | 20250923 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 569.96 | USD | 20250923 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 562.54 | USD | 20250922 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 562.71 | USD | 20250918 |