| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251010 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1224.52 | USD | 20251010 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1083.77 | USD | 20251010 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1034.51 | USD | 20251010 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 964.14 | USD | 20251010 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251010 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251010 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1196.37 | USD | 20251010 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1265.79 | USD | 20251009 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 956.37 | USD | 20251009 |