| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20250930 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 914.78 | USD | 20250930 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 914.78 | USD | 20250930 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20250930 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 921.82 | USD | 20250930 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 942.93 | USD | 20250930 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 928.86 | USD | 20250930 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 886.64 | USD | 20250930 |