| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 815.43 | USD | 20250920 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 815.43 | USD | 20250920 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 815.43 | USD | 20250920 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 815.43 | USD | 20250920 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 843.55 | USD | 20250920 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 787.31 | USD | 20250920 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 843.55 | USD | 20250920 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2151.05 | USD | 20250920 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 2151.05 | USD | 20250920 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 1019.29 | USD | 20250920 |