| Vendor | Spec | Unit | Price | Currency | Date |
| Zaozhuang Yitai Energy Technology Co., Ltd. | China national standards | MT | 395.17 | USD | 20251028 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 451.62 | USD | 20251028 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 235.69 | USD | 20251028 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 234.28 | USD | 20251028 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 235.69 | USD | 20251028 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 254.04 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.69 | USD | 20251028 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 409.28 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.69 | USD | 20251028 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 338.72 | USD | 20251028 |