| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1199.84 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.43 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1213.95 | USD | 20251029 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1213.95 | USD | 20251029 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1242.18 | USD | 20251029 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1129.26 | USD | 20251029 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1129.26 | USD | 20251029 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1171.6 | USD | 20251029 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1093.97 | USD | 20251029 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1188.54 | USD | 20251029 |