| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1093.77 | USD | 20251028 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1058.48 | USD | 20251028 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1100.82 | USD | 20251028 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 994.98 | USD | 20251028 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1129.05 | USD | 20251028 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1199.62 | USD | 20251028 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.92 | USD | 20251028 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 921.59 | USD | 20251028 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 917.35 | USD | 20251028 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 920.18 | USD | 20251028 |