| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.6 | USD | 20251204 |
| Jinan Xingdate Biotechnology Co., Ltd. | China national standards | MT | 989.64 | USD | 20251204 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 876.54 | USD | 20251204 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 890.67 | USD | 20251204 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 841.19 | USD | 20251204 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 918.95 | USD | 20251204 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.6 | USD | 20251204 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 933.09 | USD | 20251204 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1102.74 | USD | 20251204 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.6 | USD | 20251204 |