| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 829.63 | USD | 20251122 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 747.8 | USD | 20251122 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251122 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251122 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251122 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 797.18 | USD | 20251122 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 790.12 | USD | 20251122 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 761.9 | USD | 20251122 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 790.12 | USD | 20251122 |
| Liaocheng Jinxinda New Material Co., Ltd. | China national standards | MT | 783.07 | USD | 20251122 |