| Vendor | Spec | Unit | Price | Currency | Date |
| Xingtai Risun Coal Chemicais Limited | China national standards | MT | 1281.78 | USD | 20251015 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1014.16 | USD | 20251015 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 802.87 | USD | 20251015 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1112.75 | USD | 20251015 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1126.43 | USD | 20251014 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1098.27 | USD | 20251014 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1091.23 | USD | 20251014 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 971.54 | USD | 20251014 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 805.4 | USD | 20251014 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 805.4 | USD | 20251014 |