| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1128.8 | 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 Jinwen Chemical Co., Ltd. | China national standards | MT | 931.26 | USD | 20251119 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.26 | USD | 20251119 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.26 | USD | 20251119 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.26 | USD | 20251119 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.26 | USD | 20251119 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.26 | USD | 20251119 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.26 | USD | 20251119 |