| Vendor | Spec | Unit | Price | Currency | Date |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 1180.57 | USD | 20250926 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 997.86 | USD | 20250926 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1082.19 | USD | 20250926 |
| China national standards | MT | 969.75 | USD | 20250926 | |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250926 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1124.35 | USD | 20250926 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1124.35 | USD | 20250926 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1096.24 | USD | 20250926 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1124.35 | USD | 20250926 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1124.35 | USD | 20250926 |