| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1197.27 | USD | 20251015 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1331.08 | USD | 20251015 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 908.51 | USD | 20251015 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 936.69 | USD | 20251015 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 908.51 | USD | 20251015 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1225.44 | USD | 20251015 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1014.16 | USD | 20251015 |