| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1171.7 | USD | 20250909 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1464.62 | USD | 20250909 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1197.05 | USD | 20250909 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1464.62 | USD | 20250909 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1140.72 | USD | 20250909 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1464.62 | USD | 20250909 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1182.97 | USD | 20250909 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1464.62 | USD | 20250909 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 844.98 | USD | 20250909 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1450.54 | USD | 20250909 |