| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Jinxinda New Material Co., Ltd. | China national standards | MT | 854.95 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1314.23 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1066.93 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1314.23 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |