| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 931.58 | USD | 20251124 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 988.04 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.13 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.13 | USD | 20251124 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 931.58 | USD | 20251124 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 917.47 | USD | 20251124 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1157.42 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 875.13 | USD | 20251124 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 973.93 | USD | 20251124 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1129.19 | USD | 20251124 |