| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.85 | USD | 20251127 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1045.51 | USD | 20251127 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.75 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.75 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.75 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1045.26 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.75 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.57 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.57 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1044.81 | USD | 20251125 |