| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Rongxin | Polyester Resin Grade | MT | 506.47 | USD | 20251211 |
| Shandong Zhiheng | China national standards | MT | 593.47 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 551.74 | USD | 20251211 |
| Nanjing Runsheng Petro | China national standards | MT | 537.59 | USD | 20251211 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 523.44 | USD | 20251211 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 523.44 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 492.32 | USD | 20251211 |
| Sinopec | China national standards | MT | 664.91 | USD | 20251211 |
| Shandong Shuojia Chem | Polyester Grade | MT | 551.74 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 492.32 | USD | 20251211 |