| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.97 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.97 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.97 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.97 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.97 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.97 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.83 | USD | 20250920 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.83 | USD | 20250920 |