| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1485.44 | USD | 20251211 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2051.33 | USD | 20251211 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1556.18 | USD | 20251211 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1952.3 | USD | 20251211 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1471.3 | USD | 20251211 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | Industrial Grade | MT | 2546.47 | USD | 20251211 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1641.06 | USD | 20251211 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2051.33 | USD | 20251211 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1768.38 | USD | 20251211 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1810.83 | USD | 20251211 |