| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 734.74 | USD | 20251209 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 734.74 | USD | 20251209 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 720.61 | USD | 20251209 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 720.61 | USD | 20251209 |
| ShanDong Feiyang Chemical Co., Ltd. | China national standards | MT | 989.2 | USD | 20251208 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 854.95 | USD | 20251208 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 748.97 | USD | 20251208 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 763.1 | USD | 20251208 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 854.95 | USD | 20251208 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 854.95 | USD | 20251208 |