| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1071.19 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1070.91 | USD | 20251016 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1070.5 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1070.11 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1070.11 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1070.11 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1070.11 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1070.11 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1070.32 | USD | 20251013 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1069.7 | USD | 20251012 |