| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 812.53 | USD | 20250809 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 875.57 | USD | 20250809 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 882.58 | USD | 20250809 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1050.69 | USD | 20250808 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1134.74 | USD | 20250808 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 980.64 | USD | 20250808 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 784.51 | USD | 20250808 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 812.53 | USD | 20250808 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 882.58 | USD | 20250808 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 875.57 | USD | 20250808 |