| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 551.37 | USD | 20251204 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1131.01 | USD | 20251204 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 438.27 | USD | 20251204 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 544.3 | USD | 20251204 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 537.23 | USD | 20251204 |
| Shandong Langcheng Chemical Co., Ltd. | 90% | MT | 452.41 | USD | 20251204 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 407.16 | USD | 20251204 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 402.92 | USD | 20251204 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 339.3 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.13 | USD | 20251204 |