| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 1040.95 | USD | 20250929 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 435.69 | USD | 20250928 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 1040.03 | USD | 20250928 |
| Shandong LuoHeng Chemical Products Co., Ltd. | 90% | MT | 505.96 | USD | 20250928 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 436.27 | USD | 20250925 |
| Shandong LuoHeng Chemical Products Co., Ltd. | 90% | MT | 506.64 | USD | 20250925 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 1041.42 | USD | 20250925 |
| Shandong LuoHeng Chemical Products Co., Ltd. | 90% | MT | 506.64 | USD | 20250924 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 1041.42 | USD | 20250924 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 436.27 | USD | 20250924 |