| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1028.84 | USD | 20251022 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1127.49 | USD | 20251022 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1057.02 | USD | 20251022 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1254.33 | USD | 20251022 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1085.21 | USD | 20251022 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1127.49 | USD | 20251022 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1000.65 | USD | 20251022 |
| China national standards | MT | 873.81 | USD | 20251022 | |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 1014.74 | USD | 20251022 |