| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 777.29 | USD | 20251201 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 756.09 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 777.29 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.82 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.82 | USD | 20251201 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 741.96 | USD | 20251201 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 855.01 | USD | 20251201 |
| Xiangfen Longtengda Chemical Co., Ltd. | China national standards | MT | 847.95 | USD | 20251201 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 706.62 | USD | 20251201 |