| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 807.96 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 807.96 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 807.61 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 807.61 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 807.37 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 807.37 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 807.05 | USD | 20251123 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 807.05 | USD | 20251123 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 807.05 | USD | 20251122 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 807.05 | USD | 20251122 |