| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1044.56 | USD | 20251029 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1291.59 | USD | 20251029 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.78 | USD | 20251029 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 879.41 | USD | 20251029 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1171.6 | USD | 20251029 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1129.26 | USD | 20251029 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.78 | USD | 20251029 |
| China National Petroleum Corporation Jinzhou Petrochemical Branch | China national standards | MT | 1213.95 | USD | 20251029 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 903.41 | USD | 20251029 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 973.98 | USD | 20251029 |