| Vendor | Spec | Unit | Price | Currency | Date |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1100.67 | USD | 20251111 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1128.89 | USD | 20251111 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 973.67 | USD | 20251111 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 839.61 | USD | 20251111 |
| Derun Chemical Co., Ltd. | China national standards | MT | 1114.94 | USD | 20251110 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 740.94 | USD | 20251110 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 804.45 | USD | 20251110 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.47 | USD | 20251110 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.47 | USD | 20251110 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.47 | USD | 20251110 |