| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.03 | USD | 20251020 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 774.94 | USD | 20251020 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 993.34 | USD | 20251020 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 774.94 | USD | 20251020 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.03 | USD | 20251020 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.03 | USD | 20251020 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 774.94 | USD | 20251020 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |