| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 908.85 | USD | 20251205 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1109.56 | USD | 20251205 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1243.83 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 819.8 | USD | 20251205 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 954.08 | USD | 20251205 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1060.09 | USD | 20251205 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1283.41 | USD | 20251205 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 918.74 | USD | 20251205 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 890.47 | USD | 20251205 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 862.4 | USD | 20251204 |