| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 884.58 | USD | 20251027 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 881.76 | USD | 20251027 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1245.75 | USD | 20251027 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1227.41 | USD | 20251027 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 884.58 | USD | 20251027 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 884.58 | USD | 20251027 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 884.58 | USD | 20251027 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1100.44 | USD | 20251027 |