| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Yisheng Trading Co., Ltd. | China national standards | MT | 1261.88 | USD | 20250818 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1051.57 | USD | 20250818 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1121.67 | USD | 20250818 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1093.63 | USD | 20250818 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1093.63 | USD | 20250818 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1072.6 | USD | 20250818 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1247.86 | USD | 20250818 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1275.9 | USD | 20250818 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1100.64 | USD | 20250818 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1065.59 | USD | 20250818 |