| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251123 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 790.12 | USD | 20251123 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 829.63 | USD | 20251123 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251123 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 754.85 | USD | 20251123 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 790.12 | USD | 20251123 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1100.53 | USD | 20251123 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.8 | USD | 20251123 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251123 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 790.12 | USD | 20251123 |