| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Baiquan Pharmaceutical Co., Ltd. | China national standards | MT | 166.08 | USD | 20251010 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 194.23 | USD | 20251010 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 201.27 | USD | 20251010 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 201.27 | USD | 20251010 |
| Tongdai Haijing NATURAL SODA Co., Ltd. | China national standards | MT | 168.9 | USD | 20251010 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 260.39 | USD | 20251010 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 194.23 | USD | 20251010 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 194.23 | USD | 20251010 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 194.23 | USD | 20251010 |
| Anhui Haozhan Environmental Protection Technology Co., Ltd. | China national standards | MT | 211.12 | USD | 20251010 |