| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1106.43 | USD | 20251017 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1198.04 | USD | 20251017 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 887.96 | USD | 20251017 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 930.25 | USD | 20251017 |
| Hunan Qilu New Materials Technology Co., Ltd. | China national standards | MT | 1028.91 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 923.2 | USD | 20251017 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 930.25 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1113.48 | USD | 20251017 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 923.2 | USD | 20251017 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 930.25 | USD | 20251017 |