| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1763.87 | USD | 20251103 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1552.2 | USD | 20251103 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1453.16 | USD | 20251101 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1805.87 | USD | 20251101 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1467.27 | USD | 20251101 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1481.38 | USD | 20251101 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | Industrial Grade | MT | 2539.5 | USD | 20251101 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1467.27 | USD | 20251031 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | Industrial Grade | MT | 2539.5 | USD | 20251031 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1763.54 | USD | 20251031 |