| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1650.68 | USD | 20251031 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1651.05 | USD | 20251030 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1651.05 | USD | 20251030 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1651.54 | USD | 20251029 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1651.54 | USD | 20251029 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1651.54 | USD | 20251029 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1651.54 | USD | 20251029 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1651.54 | USD | 20251029 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1651.24 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1651.24 | USD | 20251028 |