| Vendor | Spec | Unit | Price | Currency | Date | 
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 966.14 | USD | 20250812 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 952.14 | USD | 20250812 | 
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.15 | USD | 20250812 | 
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 980.15 | USD | 20250812 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 980.15 | USD | 20250812 | 
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1036.34 | USD | 20250811 | 
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 980.32 | USD | 20250811 | 
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1015.34 | USD | 20250811 | 
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 924.31 | USD | 20250811 | 
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1176.39 | USD | 20250811 |