| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 756.09 | USD | 20251201 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1201.26 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 756.09 | USD | 20251201 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 798.48 | USD | 20251201 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 876.21 | USD | 20251201 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.15 | USD | 20251201 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 968.07 | USD | 20251201 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 777.29 | USD | 20251201 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 833.82 | USD | 20251201 |