| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 542.05 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 542.05 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 542.05 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 542.05 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 542.05 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 542.05 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 542.05 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 542.05 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 542.05 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 541.83 | USD | 20250915 |