| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1368.41 | USD | 20251104 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1156.8 | USD | 20251104 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1199.13 | USD | 20251104 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 931.09 | USD | 20251104 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1170.91 | USD | 20251104 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1043.94 | USD | 20251104 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 881.71 | USD | 20251104 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1128.59 | USD | 20251104 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 881.71 | USD | 20251104 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 883.12 | USD | 20251104 |