| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 888.35 | USD | 20251023 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1226.77 | USD | 20251023 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 972.95 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1297.27 | USD | 20251023 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 895.4 | USD | 20251023 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 895.4 | USD | 20251023 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 895.4 | USD | 20251023 |