| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 941.65 | USD | 20250928 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250928 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250928 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250928 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 969.75 | USD | 20250928 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1222.73 | USD | 20250928 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 997.86 | USD | 20250928 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 997.86 | USD | 20250928 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1011.92 | USD | 20250928 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1307.06 | USD | 20250928 |