| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 578.48 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 529.1 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 529.1 | USD | 20251121 |
| Shandong Yaowang Chem | Polyester Grade | MT | 561.55 | USD | 20251121 |
| Shandong LuoHeng Chem | China national standards | MT | 578.48 | USD | 20251121 |
| Shandong LuoHeng Chem | China national standards | MT | 578.48 | USD | 20251121 |
| Shandong LuoHeng Chem | China national standards | MT | 578.48 | USD | 20251121 |
| Shandong LuoHeng Chem | China national standards | MT | 578.48 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 529.1 | USD | 20251121 |
| Shandong Rongxin | Polyester Resin Grade | MT | 536.16 | USD | 20251121 |