| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 966.16 | USD | 20250922 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1026.64 | USD | 20250922 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 970.38 | USD | 20250922 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 952.1 | USD | 20250922 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1012.57 | USD | 20250922 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1336.03 | USD | 20250922 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1336.03 | USD | 20250922 |