| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.96 | USD | 20250829 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.0 | USD | 20250829 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.0 | USD | 20250829 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 380.12 | USD | 20250829 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.96 | USD | 20250829 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 330.85 | USD | 20250829 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.04 | USD | 20250829 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 344.92 | USD | 20250829 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 284.39 | USD | 20250829 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 284.39 | USD | 20250829 |