| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 734.5 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 733.98 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 733.69 | USD | 20251123 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 733.69 | USD | 20251122 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 733.69 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 733.88 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 734.2 | USD | 20251116 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 734.2 | USD | 20251115 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 734.2 | USD | 20251114 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 733.79 | USD | 20251113 |