| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250928 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1025.97 | USD | 20250928 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1004.89 | USD | 20250928 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 969.75 | USD | 20250928 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 969.75 | USD | 20250928 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1770.86 | USD | 20250928 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250928 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250928 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1033.0 | USD | 20250928 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1075.16 | USD | 20250928 |