| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1027.37 | USD | 20250930 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1069.59 | USD | 20250930 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1027.37 | USD | 20250930 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1069.59 | USD | 20250930 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 999.23 | USD | 20250930 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1055.52 | USD | 20250930 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1125.89 | USD | 20250930 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.89 | USD | 20250930 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.89 | USD | 20250930 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1252.55 | USD | 20250930 |