| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250919 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1089.58 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 970.08 | USD | 20250919 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 801.37 | USD | 20250919 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 801.37 | USD | 20250919 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250919 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 850.58 | USD | 20250919 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250919 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 970.08 | USD | 20250919 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250919 |