| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 975.71 | USD | 20250921 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 975.71 | USD | 20250920 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250920 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1377.8 | USD | 20250920 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1363.74 | USD | 20250920 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1223.15 | USD | 20250920 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1223.15 | USD | 20250920 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1110.67 | USD | 20250920 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 956.02 | USD | 20250920 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 956.02 | USD | 20250920 |