| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.82 | USD | 20251201 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 763.15 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.95 | USD | 20251201 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.55 | USD | 20251201 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 890.35 | USD | 20251201 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 855.01 | USD | 20251201 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.55 | USD | 20251201 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 756.09 | USD | 20251201 |
| ShanDong Feiyang Chemical Co., Ltd. | China national standards | MT | 989.27 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |