| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 886.72 | USD | 20251010 |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 844.5 | USD | 20251010 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 914.87 | USD | 20251010 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.5 | USD | 20251010 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.5 | USD | 20251010 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251010 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.31 | USD | 20251009 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1026.69 | USD | 20251009 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 914.18 | USD | 20251009 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.31 | USD | 20251009 |