| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1214.41 | USD | 20251117 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 960.23 | USD | 20251117 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1200.29 | USD | 20251117 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 889.63 | USD | 20251117 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 889.63 | USD | 20251117 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 889.63 | USD | 20251117 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1101.45 | USD | 20251117 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 889.63 | USD | 20251117 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 889.63 | USD | 20251117 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 945.99 | USD | 20251116 |