| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chemical Group Co., Ltd. | China national standards | MT | 1209.46 | USD | 20250922 |
| Befar Group Co., Ltd. | China national standards | MT | 1075.86 | USD | 20250922 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1293.84 | USD | 20250922 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1012.57 | USD | 20250922 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1177.12 | USD | 20250922 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1075.86 | USD | 20250922 |