| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1367.78 | USD | 20251023 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 895.4 | USD | 20251023 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 895.4 | USD | 20251023 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1353.68 | USD | 20251023 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1198.57 | USD | 20251023 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 888.35 | USD | 20251023 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 895.4 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 895.4 | USD | 20251023 |