| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 791.42 | USD | 20251201 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 798.48 | USD | 20251201 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1101.87 | USD | 20251130 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.7 | USD | 20251130 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 791.08 | USD | 20251130 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.7 | USD | 20251130 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 776.96 | USD | 20251130 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.83 | USD | 20251130 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.83 | USD | 20251130 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.83 | USD | 20251130 |