| Vendor | Spec | Unit | Price | Currency | Date | 
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 337.25 | USD | 20251103 | 
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 337.19 | USD | 20251031 | 
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 337.27 | USD | 20251030 | 
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 337.37 | USD | 20251029 | 
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 337.3 | USD | 20251028 | 
| 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 |