| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 942.93 | USD | 20251008 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 942.93 | USD | 20251008 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 942.93 | USD | 20251008 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20251008 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 957.01 | USD | 20251008 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 957.01 | USD | 20251008 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 985.15 | USD | 20251008 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 957.01 | USD | 20251008 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 957.01 | USD | 20251007 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 957.01 | USD | 20251007 |