| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.26 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.26 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.26 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.26 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.68 | USD | 20250914 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.68 | USD | 20250914 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.81 | USD | 20250909 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.81 | USD | 20250909 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.81 | USD | 20250909 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.81 | USD | 20250909 |