| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 919.85 | USD | 20251027 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 917.03 | USD | 20251027 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 919.85 | USD | 20251027 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 931.14 | USD | 20251027 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1058.11 | USD | 20251027 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 931.14 | USD | 20251027 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1058.11 | USD | 20251027 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 919.24 | USD | 20251026 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 919.24 | USD | 20251026 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 919.24 | USD | 20251026 |