| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251004 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1013.3 | USD | 20251004 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20251004 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251004 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251004 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1013.3 | USD | 20251004 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251004 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1076.63 | USD | 20251003 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251003 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1013.3 | USD | 20251002 |