| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 944.98 | USD | 20251105 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1199.13 | USD | 20251104 |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 959.3 | USD | 20251104 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 888.76 | USD | 20251104 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 888.76 | USD | 20251104 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 888.76 | USD | 20251104 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1100.37 | USD | 20251104 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1269.66 | USD | 20251104 |
| Nanjing Guanshan New Energy Industry Co., Ltd. | China national standards | MT | 945.19 | USD | 20251104 |
| China national standards | MT | 945.19 | USD | 20251104 |