| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 908.86 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 951.13 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 796.13 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | 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 |
| 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 |
| Tongling Jintai Chemical Industrial Co., Ltd. | China national standards | MT | 817.27 | USD | 20251016 |