| Vendor | Spec | Unit | Price | Currency | Date |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 876.04 | USD | 20251209 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.37 | USD | 20251209 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 876.04 | USD | 20251209 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 727.68 | USD | 20251209 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1102.12 | USD | 20251209 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1017.34 | USD | 20251209 |
| Zhenghe Group Co., Ltd. | China national standards | MT | 932.56 | USD | 20251209 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 974.95 | USD | 20251209 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.56 | USD | 20251209 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1102.12 | USD | 20251209 |