| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1092.63 | USD | 20251021 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 944.59 | USD | 20251021 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1050.33 | USD | 20251021 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 986.89 | USD | 20251021 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 986.89 | USD | 20251021 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 916.4 | USD | 20251021 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 923.45 | USD | 20251021 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 986.89 | USD | 20251021 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 916.4 | USD | 20251021 |