| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Zixu New Materials Co., Ltd. | China national standards | MT | 1237.95 | USD | 20250918 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 801.86 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 815.92 | USD | 20250918 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 745.59 | USD | 20250918 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 956.6 | USD | 20250918 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 822.96 | USD | 20250918 |
| Shandong Energy Group Co., Ltd. | China national standards | MT | 773.72 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 815.92 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 815.92 | USD | 20250918 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 858.13 | USD | 20250918 |