| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 580.03 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 629.54 | USD | 20251211 |
| Shandong Zhenkun | China national standards | MT | 608.32 | USD | 20251211 |
| Shandong Shuojia Chem | China national standards | MT | 551.74 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 492.32 | USD | 20251211 |
| Shandong Jinshenrun Chem | China national standards | MT | 565.88 | USD | 20251211 |
| Shandong Yushuo Chem | Polyester Grade | MT | 551.74 | USD | 20251211 |
| Shandong Qiangsen Chem | China national standards | MT | 509.29 | USD | 20251211 |
| Lihuayi Weiyuan Chem | China national standards | MT | 608.32 | USD | 20251211 |
| Shandong Yushuo Chem | Polyester Grade | MT | 551.74 | USD | 20251211 |