| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 815.05 | USD | 20250825 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 815.05 | USD | 20250825 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 815.05 | USD | 20250825 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 646.42 | USD | 20250825 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 779.92 | USD | 20250825 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 899.37 | USD | 20250825 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 815.05 | USD | 20250825 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 843.16 | USD | 20250825 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 941.53 | USD | 20250825 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 899.37 | USD | 20250825 |