| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1191.79 | USD | 20250822 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1191.79 | USD | 20250822 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 981.48 | USD | 20250822 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 925.39 | USD | 20250822 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 967.46 | USD | 20250822 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.48 | USD | 20250822 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.48 | USD | 20250822 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.48 | USD | 20250822 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.95 | USD | 20250821 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 981.95 | USD | 20250821 |