| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 788.5 | USD | 20251014 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1013.78 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.66 | USD | 20251014 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1112.35 | USD | 20251014 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1112.35 | USD | 20251014 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1013.78 | USD | 20251014 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1027.86 | USD | 20251014 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 816.66 | USD | 20251014 |