| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Jinan Aochen Chem | China national standards | MT | USD | 20251201 | |
| CNPC | China national standards | MT | USD | 20251201 | |
| Shandong Henrui Chem | Polycarbonate Grade | MT | USD | 20251201 | |
| Shandong Daoqin Chem | China national standards | MT | USD | 20251130 | |
| Shanghai Juexin | China national standards | MT | USD | 20251129 | |
| CNPC | China national standards | MT | USD | 20251129 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20251129 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20251129 | |
| Shandong Daoqin Chem | China national standards | MT | USD | 20251129 | |
| Shanghai SinoMitsui | China national standards | MT | USD | 20251129 |
