| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.26 | USD | 20251119 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1128.8 | USD | 20251119 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 973.59 | USD | 20251119 |
| Xingtai Risun Coal Chemicais Limited | China national standards | MT | 1284.0 | USD | 20251119 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1015.92 | USD | 20251119 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1100.58 | USD | 20251119 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 874.82 | USD | 20251119 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1100.58 | USD | 20251119 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1072.36 | USD | 20251119 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1015.92 | USD | 20251119 |