| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1130.28 | USD | 20251127 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 932.48 | USD | 20251127 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 918.35 | USD | 20251127 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 918.35 | USD | 20251127 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 908.46 | USD | 20251127 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1282.87 | USD | 20251127 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 890.09 | USD | 20251127 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1116.15 | USD | 20251127 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1116.15 | USD | 20251127 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 908.46 | USD | 20251127 |