| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1006.23 | USD | 20250923 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 773.49 | USD | 20250922 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 808.65 | USD | 20250922 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 921.16 | USD | 20250922 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 942.26 | USD | 20250922 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 928.19 | USD | 20250922 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1026.64 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.43 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.43 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.43 | USD | 20250922 |