| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 790.34 | USD | 20251028 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.0 | USD | 20251028 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 705.66 | USD | 20251028 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 705.66 | USD | 20251028 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251028 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 775.95 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 853.54 | USD | 20251027 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 761.84 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 867.65 | USD | 20251027 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 705.41 | USD | 20251027 |