| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1226.23 | USD | 20251019 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1212.14 | USD | 20251019 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1127.57 | USD | 20251019 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 986.62 | USD | 20251019 |
| China national standards | MT | 1099.38 | USD | 20251019 | |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1000.72 | USD | 20251018 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 986.62 | USD | 20251018 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 873.87 | USD | 20251018 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 887.96 | USD | 20251018 |