| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 507.56 | USD | 20251025 |
| Qingdao Shengze Chem | Polyester Grade | MT | 528.71 | USD | 20251025 |
| Qingdao Shengze Chem | China national standards | MT | 528.71 | USD | 20251025 |
| Qingdao Shengze Chem | China national standards | MT | 528.71 | USD | 20251025 |
| Shandong Hualu | Polyester Resin Grade | MT | 528.71 | USD | 20251025 |
| Shandong Junfeng | China national standards | MT | 620.35 | USD | 20251025 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 549.85 | USD | 20251025 |
| Lihuayi Weiyuan Chem | China national standards | MT | 521.66 | USD | 20251025 |
| Beijing Yanshan Petro | China national standards | MT | 521.66 | USD | 20251025 |
| Beijing Yanshan Petro | China national standards | MT | 690.84 | USD | 20251024 |