| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 903.14 | USD | 20251030 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 938.42 | USD | 20251030 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 846.69 | USD | 20251030 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 945.47 | USD | 20251030 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 910.19 | USD | 20251030 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 938.7 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 910.46 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 903.41 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 945.75 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 846.94 | USD | 20251029 |