| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1368.41 | USD | 20251104 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 916.98 | USD | 20251104 |
| Zhangjiagang Free Trade Zone Zhaohe Trade Co., Ltd. | China national standards | MT | 905.69 | USD | 20251104 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1248.5 | USD | 20251104 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 881.71 | USD | 20251104 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1199.13 | USD | 20251104 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 973.41 | USD | 20251104 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1170.91 | USD | 20251104 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1156.8 | USD | 20251104 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 987.51 | USD | 20251104 |