| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1016.27 | USD | 20251124 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 875.13 | USD | 20251124 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1100.96 | USD | 20251124 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 973.93 | USD | 20251124 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1072.73 | USD | 20251124 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1100.96 | USD | 20251124 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1100.96 | USD | 20251124 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.91 | USD | 20251124 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1877.28 | USD | 20251124 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 733.98 | USD | 20251124 |