| Vendor | Spec | Unit | Price | Currency | Date | 
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 123.44 | USD | 20250821 | 
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 123.44 | USD | 20250821 | 
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 533.06 | USD | 20250821 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.4 | USD | 20250821 | 
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 532.33 | USD | 20250820 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.26 | USD | 20250820 | 
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 123.32 | USD | 20250819 | 
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 532.52 | USD | 20250819 | 
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 532.79 | USD | 20250818 | 
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 123.38 | USD | 20250818 |