| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 774.7 | USD | 20251015 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 915.56 | USD | 20251015 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 802.87 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 788.79 | USD | 20251015 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 915.56 | USD | 20251015 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 774.7 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 788.79 | USD | 20251015 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 831.04 | USD | 20251015 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1084.58 | USD | 20251015 |