| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1013.4 | 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 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 999.32 | USD | 20251011 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251011 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 914.87 | USD | 20251011 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251011 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 928.95 | USD | 20251011 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 928.95 | USD | 20251011 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1076.74 | USD | 20251011 |