| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 914.18 | USD | 20251009 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 914.18 | USD | 20251009 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1005.6 | USD | 20251009 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 914.18 | USD | 20251009 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 970.44 | USD | 20251009 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 970.44 | USD | 20251009 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1772.1 | USD | 20251009 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1026.69 | USD | 20251009 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 914.18 | USD | 20251009 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 998.57 | USD | 20251009 |