| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1043.31 | USD | 20251025 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.92 | USD | 20251025 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.92 | USD | 20251025 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.92 | USD | 20251025 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1219.55 | USD | 20251025 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.92 | USD | 20251025 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.92 | USD | 20251025 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1247.74 | USD | 20251025 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1099.71 | USD | 20251025 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1170.2 | USD | 20251024 |