| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 778.09 | USD | 20251211 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1103.47 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.94 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.94 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.94 | USD | 20251211 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 749.79 | USD | 20251211 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 721.5 | USD | 20251211 |