| Vendor | Spec | Unit | Price | Currency | Date |
| Shifang Jiandong Technology Co., Ltd. | 85% | MT | 892.76 | USD | 20250919 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 857.61 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | 85% | MT | 984.14 | USD | 20250919 |
| Wengfu (GROUP) Co., Ltd. | 85% | MT | 927.9 | USD | 20250919 |
| Jia'en Chemical (Shandong) Co., Ltd. | 85% | MT | 1096.61 | USD | 20250919 |
| Suzhou Chemical Material Co., Ltd. | 85% | MT | 1054.44 | USD | 20250919 |
| Shandong Hongyang Chemical Co., Ltd. | 85% | MT | 1082.56 | USD | 20250919 |
| Shandong Hongyang Chemical Co., Ltd. | 85% | MT | 1068.5 | USD | 20250919 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | 85% | MT | 1012.26 | USD | 20250919 |
| Henan Saiteng Environmental Protection Technology Co., Ltd. | 85% | MT | 899.79 | USD | 20250919 |