| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.21 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.53 | USD | 20251202 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 889.91 | USD | 20251202 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 706.27 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.53 | USD | 20251202 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.41 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 776.9 | USD | 20251202 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 854.59 | USD | 20251202 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 727.82 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 777.29 | USD | 20251201 |