| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1228.07 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1298.65 | USD | 20251029 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 988.1 | USD | 20251029 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1044.56 | USD | 20251029 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 988.1 | USD | 20251029 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1129.26 | USD | 20251029 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1340.99 | USD | 20251029 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 988.1 | USD | 20251029 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 988.1 | USD | 20251029 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 931.64 | USD | 20251029 |