| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250919 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 956.02 | USD | 20250919 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 941.96 | USD | 20250919 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1276.57 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1103.64 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1110.67 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1110.67 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250919 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1152.85 | USD | 20250919 |