| Vendor | Spec | Unit | Price | Currency | Date |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 899.79 | USD | 20250919 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250919 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1026.32 | USD | 20250919 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250919 |
| Tongling Jintai Chemical Industrial Co., Ltd. | China national standards | MT | 801.37 | USD | 20250919 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1335.62 | USD | 20250919 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1054.44 | USD | 20250919 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 745.14 | USD | 20250919 |
| Guangzhou Longyu Chemical Co., Ltd. | China national standards | MT | 1335.62 | USD | 20250919 |