| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 770.25 | USD | 20250811 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 784.26 | USD | 20250811 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 896.3 | USD | 20250811 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 914.5 | USD | 20250811 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 921.5 | USD | 20250811 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 896.3 | USD | 20250811 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 784.26 | USD | 20250811 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 868.29 | USD | 20250811 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 840.28 | USD | 20250811 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 791.52 | USD | 20250810 |