| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chem | Industrial Grade | MT | 282.65 | USD | 20251201 |
| GuangZhan Chem | Food Grade | MT | 282.53 | USD | 20251130 |
| Shandong Kailong Chem | Industrial Grade | MT | 254.28 | USD | 20251130 |
| GuangZhan Chem | China national standards | MT | 254.28 | USD | 20251130 |
| GuangZhan Chem | China national standards | MT | 268.4 | USD | 20251130 |
| Henan Huiyihai | China national standards | MT | 275.47 | USD | 20251130 |
| Henan Huiyi | China national standards | MT | 282.53 | USD | 20251130 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.78 | USD | 20251130 |
| Shandong Kailong Chem | Industrial Grade | MT | 282.53 | USD | 20251130 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 339.04 | USD | 20251129 |