| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 239.27 | USD | 20251011 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 239.27 | USD | 20251011 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 239.27 | USD | 20251011 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 239.27 | USD | 20251011 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 242.09 | USD | 20251011 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 242.09 | USD | 20251011 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 274.46 | USD | 20251011 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 274.46 | 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 | 20251011 |