| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.96 | USD | 20251024 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 337.01 | USD | 20251023 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.84 | USD | 20251022 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.84 | USD | 20251022 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.95 | USD | 20251021 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.75 | USD | 20251020 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.86 | USD | 20251017 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.86 | USD | 20251017 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.52 | USD | 20251014 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 336.59 | USD | 20251013 |