| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1076.74 | USD | 20251011 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1097.85 | USD | 20251011 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1097.85 | USD | 20251011 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1252.67 | USD | 20251011 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1280.82 | USD | 20251011 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1104.89 | USD | 20251011 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1280.82 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1252.67 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1097.85 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1097.85 | USD | 20251010 |