| Vendor | Spec | Unit | Price | Currency | Date |
| Tongling Jintai Chemical Industrial Co., Ltd. | China national standards | MT | 817.27 | USD | 20251016 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 789.09 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 817.27 | USD | 20251016 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 817.27 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 817.27 | USD | 20251016 |
| Shandong Shuojia Chemical Co., Ltd. | Industrial Grade | MT | 817.27 | USD | 20251016 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 901.81 | USD | 20251016 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 817.27 | USD | 20251016 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 817.27 | USD | 20251016 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 845.45 | USD | 20251016 |