| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1333.22 | USD | 20251027 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1199.19 | USD | 20251027 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 973.46 | USD | 20251027 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1227.41 | USD | 20251027 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1368.49 | USD | 20251027 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1199.19 | USD | 20251027 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1128.65 | USD | 20251027 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1156.87 | USD | 20251027 |