| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 1097.71 | USD | 20250925 |
| Guangzhou Longyu Chemical Co., Ltd. | 85% | MT | 1055.49 | USD | 20250925 |
| Guizhou Wengfu Fertilizer Co., Ltd. | 85% | MT | 985.12 | USD | 20250925 |
| Jia'en Chemical (Shandong) Co., Ltd. | 85% | MT | 1097.71 | USD | 20250925 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 928.83 | USD | 20250925 |
| Weifang Shuoxin Chemical Co., Ltd. | 85% | MT | 858.47 | USD | 20250925 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 956.98 | USD | 20250925 |
| Shifang Jiandong Technology Co., Ltd. | 85% | MT | 886.61 | USD | 20250925 |
| Shanghai SKY Chem Industrial Co., Ltd. | 85% | MT | 1066.75 | USD | 20250925 |
| Guangdong Huihao Industrial Trade Co., Ltd. | 85% | MT | 1041.42 | USD | 20250925 |