| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 201.68 | USD | 20251120 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 201.68 | USD | 20251120 |
| Henan Lanen Chemical Co., Ltd. | China national standards | MT | 177.7 | USD | 20251120 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 260.91 | USD | 20251120 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 197.45 | USD | 20251120 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 183.34 | USD | 20251120 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 194.63 | USD | 20251120 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 159.44 | USD | 20251119 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 159.44 | USD | 20251119 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 444.46 | USD | 20251119 |