| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1758.04 | USD | 20251009 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1758.04 | USD | 20251009 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1631.46 | USD | 20251009 |
| Ji'nan Century Lianxing Economic Trade Co., Ltd. | China national standards | MT | 1687.72 | USD | 20251009 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1462.69 | USD | 20251009 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1476.75 | USD | 20251009 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1476.75 | USD | 20251009 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1942.16 | USD | 20251008 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1463.65 | USD | 20251008 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1477.73 | USD | 20251008 |