| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 998.51 | USD | 20250922 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 991.48 | USD | 20250922 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1047.73 | USD | 20250922 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1111.02 | USD | 20250922 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1111.02 | USD | 20250922 |
| Jinan Xingdate Biotechnology Co., Ltd. | China national standards | MT | 984.14 | USD | 20250921 |