| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1017.68 | USD | 20251207 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 897.54 | USD | 20251207 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 890.47 | USD | 20251207 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 897.54 | USD | 20251207 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1081.29 | USD | 20251207 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 989.41 | USD | 20251207 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 897.54 | USD | 20251206 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 897.54 | USD | 20251206 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1017.68 | USD | 20251206 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1081.29 | USD | 20251206 |