| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 813.22 | USD | 20250822 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1135.71 | USD | 20250822 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1051.58 | USD | 20250822 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 883.33 | USD | 20250822 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 876.32 | USD | 20250822 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 883.33 | USD | 20250822 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 876.32 | USD | 20250822 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 981.48 | USD | 20250822 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 785.18 | USD | 20250822 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 813.22 | USD | 20250822 |