| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1197.96 | USD | 20251022 |
| Befar Group Co., Ltd. | China national standards | MT | 887.9 | USD | 20251022 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1268.43 | USD | 20251022 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1127.49 | USD | 20251022 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1169.77 | USD | 20251022 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1127.49 | USD | 20251022 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1127.49 | USD | 20251022 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1120.44 | USD | 20251022 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1186.68 | USD | 20251022 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1092.26 | USD | 20251022 |