| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.69 | USD | 20250927 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.69 | USD | 20250926 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.69 | USD | 20250926 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.27 | USD | 20250925 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.27 | USD | 20250925 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.27 | USD | 20250924 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.27 | USD | 20250924 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1041.42 | USD | 20250924 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1041.42 | USD | 20250923 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.27 | USD | 20250923 |