| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1552.09 | USD | 20251119 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1241.68 | USD | 20251119 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1199.35 | USD | 20251119 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1030.03 | USD | 20251119 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1030.03 | USD | 20251119 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1030.03 | USD | 20251119 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 1114.69 | USD | 20251119 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1030.03 | USD | 20251119 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1255.79 | USD | 20251119 |
| Shandong Tongzhou Chemical Co., Ltd. | China national standards | MT | 1410.99 | USD | 20251119 |