| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 817.27 | USD | 20251016 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 789.09 | 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 Wells Chemicals Co., Ltd. | China national standards | MT | 817.27 | USD | 20251016 |
| Tongling Jintai Chemical Industrial Co., Ltd. | China national standards | MT | 817.27 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 817.27 | USD | 20251016 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 789.09 | USD | 20251016 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 887.72 | USD | 20251016 |
| Nanjing Runsheng Petrochemical Co., Ltd. | Industrial Grade | MT | 873.63 | USD | 20251016 |