| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 987.24 | USD | 20251120 |
| Befar Group Co., Ltd. | China national standards | MT | 1184.68 | USD | 20251120 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 987.24 | USD | 20251120 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1173.4 | USD | 20251120 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1621.89 | USD | 20251120 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 959.03 | USD | 20251120 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1212.89 | USD | 20251120 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1212.89 | USD | 20251120 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1057.75 | USD | 20251120 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1255.2 | USD | 20251120 |