| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 774.94 | USD | 20251020 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1408.99 | USD | 20251020 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 803.12 | USD | 20251020 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1408.99 | USD | 20251020 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 803.12 | USD | 20251020 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1084.92 | 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 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 789.03 | USD | 20251020 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 993.34 | USD | 20251020 |