| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.0 | USD | 20251118 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.92 | USD | 20251118 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 776.22 | USD | 20251118 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 994.98 | USD | 20251118 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1100.82 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1030.26 | USD | 20251118 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 875.01 | USD | 20251118 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 832.67 | USD | 20251118 |