| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | Polyester Grade | MT | 529.47 | USD | 20251115 |
| Qingdao Shengze Chem | China national standards | MT | 529.47 | USD | 20251115 |
| Qingdao Shengze Chem | China national standards | MT | 529.47 | USD | 20251115 |
| Shandong LuoHeng Chem | China national standards | MT | 578.89 | USD | 20251115 |
| Beijing Yanshan Petro | China national standards | MT | 522.41 | USD | 20251115 |
| Lihuayi Weiyuan Chem | China national standards | MT | 522.41 | USD | 20251115 |
| Lihuayi Weiyuan Chem | China national standards | MT | 522.41 | USD | 20251115 |
| Beijing Yanshan Petro | China national standards | MT | 522.41 | USD | 20251115 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 550.65 | USD | 20251115 |
| Shandong Qiangsen Chem | China national standards | MT | 508.3 | USD | 20251115 |