| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1073.05 | USD | 20251125 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1016.58 | USD | 20251125 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 847.15 | USD | 20251125 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1877.84 | USD | 20251125 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1065.68 | USD | 20251124 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 804.55 | USD | 20251124 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1016.27 | USD | 20251124 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1256.23 | USD | 20251124 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 875.13 | USD | 20251124 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.91 | USD | 20251124 |