| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 888.89 | USD | 20251121 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 945.33 | USD | 20251121 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 945.33 | USD | 20251121 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 888.89 | USD | 20251121 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1029.98 | USD | 20251121 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 888.89 | USD | 20251121 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 874.78 | USD | 20251121 |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 804.23 | USD | 20251121 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1029.98 | USD | 20251121 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1029.98 | USD | 20251121 |