| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 802.17 | USD | 20250924 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 900.69 | USD | 20250924 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 830.32 | USD | 20250924 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 816.25 | USD | 20250924 |
| Tongling Jintai Chemical Industrial Co., Ltd. | China national standards | MT | 802.17 | USD | 20250924 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 830.32 | USD | 20250924 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.25 | USD | 20250924 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250924 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 788.1 | USD | 20250924 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 900.69 | USD | 20250924 |