| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Satellite Chemical Co., Ltd. | China national standards | MT | 871.94 | USD | 20250922 |
| Wanhua PETROCHEMICAL(Yantai) Co., Ltd. | China national standards | MT | 815.68 | USD | 20250922 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 815.68 | 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 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 787.56 | USD | 20250922 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1026.64 | USD | 20250922 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 815.68 | USD | 20250922 |