| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1028.07 | USD | 20251013 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1013.98 | USD | 20251013 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1774.47 | USD | 20251013 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1126.65 | USD | 20251013 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 943.57 | USD | 20251013 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 943.57 | USD | 20251013 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 943.57 | USD | 20251013 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 907.84 | USD | 20251012 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 907.84 | USD | 20251012 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 907.84 | USD | 20251012 |