| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 915.4 | USD | 20251013 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 964.69 | USD | 20251013 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 964.69 | USD | 20251013 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 929.49 | USD | 20251013 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1013.98 | USD | 20251013 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1182.98 | USD | 20251013 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 992.86 | USD | 20251013 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1098.48 | USD | 20251013 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 964.69 | USD | 20251013 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1295.65 | USD | 20251013 |