| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251122 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 797.18 | USD | 20251122 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251122 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1100.53 | USD | 20251122 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 874.78 | USD | 20251122 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 761.9 | USD | 20251122 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 846.56 | USD | 20251122 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 790.12 | USD | 20251122 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 790.12 | USD | 20251122 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.8 | USD | 20251122 |