| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 830.32 | USD | 20250925 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 830.32 | USD | 20250925 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 985.12 | USD | 20250925 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1111.78 | USD | 20250925 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 830.32 | USD | 20250925 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 830.32 | USD | 20250925 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 816.25 | USD | 20250925 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 886.61 | USD | 20250925 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.67 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1062.53 | USD | 20250925 |