| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 964.04 | USD | 20250930 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1125.89 | USD | 20250930 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1104.78 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1097.74 | USD | 20250930 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1097.74 | USD | 20250930 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1097.74 | USD | 20250930 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1013.3 | USD | 20250930 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1266.62 | USD | 20250930 |