| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1124.35 | USD | 20250928 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1285.98 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1328.14 | USD | 20250928 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 969.75 | USD | 20250928 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 969.75 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1293.01 | USD | 20250928 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1040.03 | USD | 20250928 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1194.63 | USD | 20250928 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250928 |