| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1026.64 | USD | 20250922 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1209.46 | USD | 20250922 |
| Satellite Chemical Co., Ltd. | China national standards | MT | 871.94 | USD | 20250922 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 815.68 | USD | 20250922 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1139.14 | USD | 20250922 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 787.56 | USD | 20250922 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 815.68 | USD | 20250922 |
| Wanhua PETROCHEMICAL(Yantai) Co., Ltd. | China national standards | MT | 815.68 | USD | 20250922 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |