| Vendor | Spec | Unit | Price | Currency | Date |
| Anhui Haozhan Environmental Protection Technology Co., Ltd. | China national standards | MT | 211.0 | USD | 20250929 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 196.94 | USD | 20250929 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 478.27 | USD | 20250929 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 167.4 | USD | 20250929 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 189.9 | USD | 20250929 |
| Tangshan Sanyou Chemical Industries Co., Ltd. | China national standards | MT | 182.87 | USD | 20250929 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 147.7 | USD | 20250929 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 165.99 | USD | 20250929 |
| Tongdai Haijing NATURAL SODA Co., Ltd. | China national standards | MT | 168.8 | USD | 20250929 |
| HAOHUA-JUNHUA Group Co., Ltd. | China national standards | MT | 161.77 | USD | 20250929 |