| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 993.03 | USD | 20251015 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1197.27 | USD | 20251015 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 1014.16 | USD | 20251015 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 964.86 | USD | 20251015 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1239.52 | USD | 20251015 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1302.91 | USD | 20251015 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1000.07 | USD | 20251015 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 964.86 | USD | 20251015 |