| Vendor | Spec | Unit | Price | Currency | Date |
| Tongling Jintai Chemical Industrial Co., Ltd. | China national standards | MT | 801.86 | USD | 20250918 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 815.92 | USD | 20250918 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 801.86 | USD | 20250918 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 900.33 | USD | 20250918 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 914.4 | USD | 20250918 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 914.4 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 815.92 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 815.92 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 815.92 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 815.92 | USD | 20250918 |