| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1213.58 | USD | 20251106 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1199.46 | USD | 20251106 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1178.3 | USD | 20251106 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1213.58 | USD | 20251106 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1213.58 | USD | 20251106 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.06 | USD | 20251106 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1143.02 | USD | 20251106 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1143.02 | USD | 20251106 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1143.02 | USD | 20251106 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1143.02 | USD | 20251106 |