| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 912.49 | USD | 20251211 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 905.41 | USD | 20251211 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 848.82 | USD | 20251211 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 848.82 | USD | 20251211 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 940.78 | USD | 20251211 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 947.85 | USD | 20251211 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 947.85 | USD | 20251211 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 848.02 | USD | 20251210 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 939.89 | USD | 20251210 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 946.96 | USD | 20251210 |