| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1197.07 | USD | 20251013 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1028.07 | USD | 20251013 |
| Befar Group Co., Ltd. | China national standards | MT | 887.24 | USD | 20251013 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1211.15 | USD | 20251013 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.94 | USD | 20251013 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1211.15 | USD | 20251013 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1211.15 | USD | 20251013 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1171.72 | USD | 20251013 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1197.07 | USD | 20251013 |