| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 886.61 | USD | 20250925 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.67 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1062.53 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 971.05 | USD | 20250925 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.71 | USD | 20250924 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1097.71 | USD | 20250924 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 971.05 | USD | 20250924 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1062.53 | USD | 20250924 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.67 | USD | 20250924 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.86 | USD | 20250924 |