| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1312.08 | USD | 20251101 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1044.02 | USD | 20251101 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 987.58 | USD | 20251101 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1340.29 | USD | 20251101 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1354.4 | USD | 20251101 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1326.19 | USD | 20251101 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1297.97 | USD | 20251101 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 884.59 | USD | 20251101 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1227.43 | USD | 20251101 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1227.43 | USD | 20251101 |