| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 528.55 | USD | 20251017 |
| Qingdao Shengze Chem | Polyester Resin Grade | MT | 528.55 | USD | 20251017 |
| Shandong Xingpeng Chem | Polyester Resin Grade | MT | 542.64 | USD | 20251017 |
| Sinopec | China national standards | MT | 563.79 | USD | 20251017 |
| CNPC | China national standards | MT | 563.79 | USD | 20251017 |
| Jinan Pulaihua Chem | China national standards | MT | 563.79 | USD | 20251017 |
| Jinan Pulaihua Chem | China national standards | MT | 591.97 | USD | 20251017 |
| Beijing Yanshan Petro | China national standards | MT | 690.64 | USD | 20251017 |
| Beijing Yanshan Petro | China national standards | MT | 690.64 | USD | 20251017 |
| Shandong Rongxin | Polyester Resin Grade | MT | 560.97 | USD | 20251017 |