| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 981.48 | USD | 20250822 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 911.37 | USD | 20250822 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 981.48 | USD | 20250822 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 897.35 | USD | 20250822 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 757.14 | USD | 20250822 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 764.15 | USD | 20250822 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 757.5 | USD | 20250821 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 757.5 | USD | 20250821 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 764.52 | USD | 20250821 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 757.5 | USD | 20250821 |