| Vendor | Spec | Unit | Price | Currency | Date |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 969.75 | USD | 20250926 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1047.05 | USD | 20250926 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1096.24 | USD | 20250926 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 983.81 | USD | 20250926 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 955.7 | USD | 20250926 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250926 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1152.46 | USD | 20250926 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1264.9 | USD | 20250926 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 955.7 | USD | 20250926 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1194.63 | USD | 20250926 |