| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1093.52 | USD | 20251119 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1128.8 | USD | 20251119 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1171.13 | USD | 20251119 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1213.46 | USD | 20251119 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1128.8 | USD | 20251119 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1213.46 | USD | 20251119 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1173.95 | USD | 20251119 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1213.46 | USD | 20251119 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1015.92 | USD | 20251119 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1178.18 | USD | 20251119 |