| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 966.78 | USD | 20250817 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 966.78 | USD | 20250817 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 966.78 | USD | 20250816 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 966.78 | USD | 20250816 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 910.73 | USD | 20250816 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 966.78 | USD | 20250815 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 966.78 | USD | 20250815 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 966.78 | USD | 20250815 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1036.84 | USD | 20250815 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 910.73 | USD | 20250815 |