| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |
| Nanjing Waien Chemical Technology Co., Ltd. | China national standards | MT | 957.1 | USD | 20251011 |
| Nanjing Waien Chemical Technology Co., Ltd. | China national standards | MT | 950.06 | USD | 20251011 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1210.45 | USD | 20251010 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251010 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1083.77 | USD | 20251010 |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 1182.3 | USD | 20251010 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 985.25 | USD | 20251010 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 999.32 | USD | 20251010 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 999.32 | USD | 20251010 |