| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1005.23 | USD | 20250920 |
| Hunan Yuanshuo Fine Chemical Co., Ltd. | China national standards | MT | 885.73 | USD | 20250920 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 759.19 | USD | 20250920 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 899.79 | USD | 20250920 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 899.79 | USD | 20250920 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 885.73 | USD | 20250919 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 941.96 | USD | 20250919 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 913.85 | USD | 20250919 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 913.85 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 899.79 | USD | 20250919 |