| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1469.15 | USD | 20251129 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1808.19 | USD | 20251129 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1765.81 | USD | 20251128 |
| Ji'nan Century Lianxing Economic Trade Co., Ltd. | China national standards | MT | 1695.18 | USD | 20251128 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | Industrial Grade | MT | 2542.77 | USD | 20251128 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1553.91 | USD | 20251128 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1455.03 | USD | 20251128 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1638.67 | USD | 20251128 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1765.81 | USD | 20251128 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1483.28 | USD | 20251128 |