| Vendor | Spec | Unit | Price | Currency | Date | 
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 239.9 | USD | 20251030 | 
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.66 | USD | 20251030 | 
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.66 | USD | 20251030 | 
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.66 | USD | 20251030 | 
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 235.66 | USD | 20251030 | 
| Weifang Shuoxin Chemical Co., Ltd. | China national standards | MT | 239.9 | USD | 20251030 | 
| Weifang Mingbo Chemical Co., Ltd. | China national standards | MT | 239.9 | USD | 20251030 | 
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 282.23 | USD | 20251030 | 
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 282.23 | USD | 20251030 | 
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 383.95 | USD | 20251029 |