| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 456.77 | USD | 20250926 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 505.96 | USD | 20250926 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1138.41 | USD | 20250926 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 562.18 | USD | 20250926 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.69 | USD | 20250926 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.69 | USD | 20250926 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1040.03 | USD | 20250926 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 365.41 | USD | 20250926 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 365.41 | USD | 20250926 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 365.41 | USD | 20250926 |