| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 819.8 | USD | 20251207 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 1081.29 | USD | 20251207 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 897.54 | USD | 20251207 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 862.2 | USD | 20251207 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1003.55 | USD | 20251206 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 897.54 | USD | 20251206 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1038.88 | USD | 20251206 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 876.34 | USD | 20251206 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 989.41 | USD | 20251206 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 989.41 | USD | 20251206 |