| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1057.38 | USD | 20251021 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1078.53 | USD | 20251021 |
| Befar Group Co., Ltd. | China national standards | MT | 1339.35 | USD | 20251021 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1621.32 | USD | 20251021 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1205.41 | USD | 20251021 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1205.41 | USD | 20251021 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1015.09 | USD | 20251021 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1212.46 | USD | 20251021 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1180.04 | USD | 20251021 |
| Befar Group Co., Ltd. | China national standards | MT | 1127.87 | USD | 20251021 |