| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 900.28 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 907.31 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 935.45 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 942.48 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 844.01 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 844.21 | USD | 20250901 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 942.71 | USD | 20250901 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 935.67 | USD | 20250901 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 907.53 | USD | 20250901 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 900.5 | USD | 20250901 |