| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 890.48 | USD | 20251020 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 890.48 | USD | 20251020 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 890.48 | USD | 20251020 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 929.93 | USD | 20251020 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 1155.37 | USD | 20251020 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1042.65 | USD | 20251020 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 897.52 | USD | 20251020 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1310.36 | USD | 20251020 |