| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 302.58 | USD | 20251006 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 316.66 | USD | 20251006 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 239.25 | USD | 20251006 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 351.84 | USD | 20251006 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 351.84 | USD | 20251006 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 351.84 | USD | 20251006 |
| Jiangsu Meilan Chemical Co., Ltd. | China national standards | MT | 351.84 | USD | 20251006 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 351.84 | USD | 20251006 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 351.84 | USD | 20251006 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 295.55 | USD | 20251005 |