| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 759.89 | USD | 20250828 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 788.03 | USD | 20250828 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 985.04 | USD | 20250828 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 985.04 | USD | 20250828 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 914.68 | USD | 20250828 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 914.68 | USD | 20250828 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 766.93 | USD | 20250828 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.89 | USD | 20250828 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.89 | USD | 20250828 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.89 | USD | 20250828 |