| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 790.34 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 790.34 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 790.34 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 790.06 | USD | 20251027 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 790.06 | USD | 20251027 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.53 | USD | 20251026 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.53 | USD | 20251026 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.53 | USD | 20251026 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.53 | USD | 20251026 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.53 | USD | 20251025 |