| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 408.13 | USD | 20251008 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 408.13 | USD | 20251008 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.21 | USD | 20251008 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 337.77 | USD | 20251008 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 337.77 | USD | 20251008 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 337.77 | USD | 20251008 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 365.91 | USD | 20251008 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 365.91 | USD | 20251008 |
| China national standards | MT | 365.91 | USD | 20251008 | |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 365.91 | USD | 20251008 |