| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 1268.18 | USD | 20251016 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1056.81 | USD | 20251016 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1056.81 | USD | 20251016 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 1409.09 | USD | 20251016 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1254.09 | USD | 20251016 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1549.99 | USD | 20251016 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1085.0 | USD | 20251016 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1084.58 | USD | 20251015 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 1140.93 | USD | 20251015 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1098.67 | USD | 20251015 |