| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1297.88 | USD | 20251104 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 902.87 | USD | 20251104 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 874.66 | USD | 20251104 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1156.8 | USD | 20251104 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1100.37 | USD | 20251104 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.07 | USD | 20251104 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 987.51 | USD | 20251104 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.07 | USD | 20251104 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 931.09 | USD | 20251104 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1199.13 | USD | 20251104 |