| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1591.08 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1591.08 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1591.08 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1591.08 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1591.08 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1591.08 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1591.08 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1591.39 | USD | 20251013 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1591.39 | USD | 20251013 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1590.47 | USD | 20251012 |