| Vendor | Spec | Unit | Price | Currency | Date |
| Xingtai Risun Coal Chemicais Limited | China national standards | MT | 1283.86 | USD | 20251102 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 757.62 | USD | 20251102 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 729.4 | USD | 20251102 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 757.62 | USD | 20251101 |
| Hunan Yuanshuo Fine Chemical Co., Ltd. | China national standards | MT | 902.93 | USD | 20251101 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 917.04 | USD | 20251101 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 729.4 | USD | 20251101 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1876.41 | USD | 20251101 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 846.5 | USD | 20251101 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 846.5 | USD | 20251101 |