| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 833.89 | USD | 20251210 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 833.89 | USD | 20251210 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 833.89 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 777.35 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 777.35 | USD | 20251210 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 918.69 | USD | 20251210 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 918.69 | USD | 20251210 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 918.69 | USD | 20251210 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 961.09 | USD | 20251210 |