| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 725.68 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 866.59 | USD | 20251016 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 746.82 | USD | 20251016 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 789.09 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 852.5 | USD | 20251016 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 746.53 | USD | 20251015 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 746.53 | USD | 20251015 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 746.53 | USD | 20251015 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 746.53 | USD | 20251015 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 788.79 | USD | 20251015 |