| Vendor | Spec | Unit | Price | Currency | Date |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1102.02 | USD | 20251127 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.48 | USD | 20251127 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1017.25 | USD | 20251127 |
| Hunan Yuanshuo Fine Chemical Co., Ltd. | China national standards | MT | 904.22 | USD | 20251127 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 847.71 | USD | 20251127 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1102.02 | USD | 20251127 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 805.32 | USD | 20251127 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 847.71 | USD | 20251127 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 786.96 | USD | 20251127 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.28 | USD | 20251127 |