| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 529.74 | USD | 20251128 |
| Qingdao Shengze Chem | China national standards | MT | 529.74 | USD | 20251128 |
| BASF YPC | China national standards | MT | 621.57 | USD | 20251128 |
| Shandong Shuojia Chem | Polyester Grade | MT | 678.07 | USD | 20251128 |
| Qingdao Shengze Chem | China national standards | MT | 529.74 | USD | 20251128 |
| Shandong Hongshuo Chem | Polyester Grade | MT | 536.81 | USD | 20251128 |
| Shandong LuoHeng Chem | China national standards | MT | 579.19 | USD | 20251128 |
| CNOOC | Polyester Grade | MT | 621.57 | USD | 20251128 |
| Shandong Yaowang Chem | Polyester Grade | MT | 562.23 | USD | 20251128 |
| Qingdao Shengze Chem | China national standards | MT | 529.74 | USD | 20251128 |