| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 931.14 | USD | 20251027 |
| Sinopec/sabic Tianjin Petrochemical Company Limited | China national standards | MT | 931.14 | USD | 20251027 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 917.03 | USD | 20251027 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 888.81 | USD | 20251027 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1001.68 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1100.44 | USD | 20251027 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 919.85 | USD | 20251027 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |