| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1592.27 | USD | 20251016 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1592.27 | USD | 20251016 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1591.66 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1591.66 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1591.66 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1591.66 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1591.66 | USD | 20251015 |
| 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 |