| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.6 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.6 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.6 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.6 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.6 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.96 | USD | 20250914 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.96 | USD | 20250913 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.96 | USD | 20250912 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.96 | USD | 20250912 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.96 | USD | 20250912 |