| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1462.61 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1462.61 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1462.15 | USD | 20250920 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1462.15 | USD | 20250920 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1462.15 | USD | 20250919 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1462.15 | USD | 20250919 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1463.04 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1463.04 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1463.04 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1463.04 | USD | 20250918 |