| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 437.46 | USD | 20251030 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 1044.56 | USD | 20251029 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 437.59 | USD | 20251029 |
| Shandong LuoHeng Chemical Products Co., Ltd. | 90% | MT | 508.17 | USD | 20251029 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 437.51 | USD | 20251028 |
| Shandong LuoHeng Chemical Products Co., Ltd. | 90% | MT | 508.07 | USD | 20251028 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 1044.37 | USD | 20251028 |
| Shandong LuoHeng Chemical Products Co., Ltd. | 90% | MT | 507.89 | USD | 20251027 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 1044.0 | USD | 20251027 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 1043.31 | USD | 20251024 |