| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1106.13 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1099.09 | USD | 20251016 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 930.0 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1127.27 | USD | 20251016 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1113.18 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1014.54 | USD | 20251016 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 993.41 | USD | 20251016 |
| Beijing Xinqianrong Petrochemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Shanghai Sinopec Mitsui Chemicals, Co., Ltd. | China national standards | MT | 930.0 | USD | 20251016 |