| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.59 | USD | 20251013 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.39 | USD | 20251011 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.39 | USD | 20251011 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.39 | USD | 20251010 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.14 | USD | 20251009 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.14 | USD | 20251009 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.2 | USD | 20250929 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.35 | USD | 20250925 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.35 | USD | 20250924 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.35 | USD | 20250923 |