| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 915.56 | USD | 20251015 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 936.69 | USD | 20251015 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 936.69 | USD | 20251015 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1197.27 | USD | 20251015 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 957.81 | USD | 20251015 |
| China National Petroleum Corporation Jinzhou Petrochemical Branch | China national standards | MT | 1211.35 | USD | 20251015 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 957.81 | USD | 20251015 |
| Changzhou Dohow Chemical Co., Ltd. | China national standards | MT | 957.81 | USD | 20251015 |