| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.88 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.88 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.88 | USD | 20250916 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 746.2 | USD | 20250916 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 851.79 | USD | 20250916 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 703.96 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.88 | USD | 20250916 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 774.35 | USD | 20250916 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 865.87 | USD | 20250916 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 774.35 | USD | 20250916 |