| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 971.05 | USD | 20250923 |
| Wuhan Xin Ocean Chemical Co., Ltd. | China national standards | MT | 1407.32 | USD | 20250923 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1266.59 | USD | 20250923 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 971.05 | USD | 20250923 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1117.41 | USD | 20250923 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1041.42 | USD | 20250923 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1041.42 | USD | 20250923 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.05 | USD | 20250923 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 977.41 | USD | 20250922 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 1054.76 | USD | 20250922 |