| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 395.11 | USD | 20251103 |
| Tianjin Shengtongtai Chemical Co., Ltd. | China national standards | MT | 352.77 | USD | 20251103 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.88 | USD | 20251103 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.22 | USD | 20251103 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.77 | USD | 20251103 |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 416.27 | USD | 20251103 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 402.16 | USD | 20251103 |
| China national standards | MT | 409.22 | USD | 20251103 | |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 328.78 | USD | 20251103 |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 330.2 | USD | 20251103 |