| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1121.22 | USD | 20251120 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1187.5 | USD | 20251120 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1093.01 | USD | 20251120 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1198.79 | USD | 20251120 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1241.1 | USD | 20251120 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1170.58 | USD | 20251120 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1128.27 | USD | 20251120 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1128.27 | USD | 20251120 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1029.55 | USD | 20251120 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1142.37 | USD | 20251120 |