| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 937.29 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 902.06 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 909.1 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 944.34 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 845.68 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 845.45 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 901.81 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 937.04 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 908.86 | USD | 20251016 |