| Vendor | Spec | Unit | Price | Currency | Date |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1093.4 | USD | 20250814 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1009.29 | USD | 20250814 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1009.11 | USD | 20250813 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1009.11 | USD | 20250813 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1093.2 | USD | 20250813 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1093.2 | USD | 20250813 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1086.19 | USD | 20250813 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1058.16 | USD | 20250813 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 967.06 | USD | 20250813 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.2 | USD | 20250813 |