| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | 90% | MT | 438.08 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.94 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.94 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.94 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.94 | USD | 20251208 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1130.52 | USD | 20251208 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 438.08 | USD | 20251208 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 551.13 | USD | 20251208 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 537.0 | USD | 20251208 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.27 | USD | 20251208 |