| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1126.0 | USD | 20251010 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 971.17 | USD | 20251010 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 957.1 | USD | 20251010 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1048.59 | USD | 20251010 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1168.22 | USD | 20251010 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1266.75 | USD | 20251010 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1111.08 | USD | 20251009 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1167.34 | USD | 20251009 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1265.79 | USD | 20251009 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1012.63 | USD | 20251009 |