| Vendor | Spec | Unit | Price | Currency | Date |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 989.64 | USD | 20251204 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 805.85 | USD | 20251204 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1357.22 | USD | 20251204 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 848.26 | USD | 20251204 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 735.16 | USD | 20251204 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 735.16 | USD | 20251204 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 904.81 | USD | 20251204 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 904.81 | USD | 20251204 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 791.71 | USD | 20251204 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 831.3 | USD | 20251204 |