| Date | Company name | Product name | Capacity | Region | Release time | Capacity change query | 
| 2025 | Inner Mongolia Baiyanhu Chemical | Calcium carbide | no login | Ulanqab | Jan 01,2025 |   | 
| 2025 | Inner Mongolia Domandoco Metallurgical And Chemical Industry | Calcium carbide | no login | Ulanqab | Jan 01,2025 |   | 
| 2025 | Shuangxin Chemical | Calcium carbide | no login | Ordos | Jan 01,2025 |   | 
| 2025 | Erdos Chemical | Calcium carbide | no login | Ordos | Jan 01,2025 |   | 
| 2025 | China National Salt Industry Jilantai Salt Chemical Group | Calcium carbide | no login | Alxa | Jan 01,2025 |   | 
| 2025 | Ningxia Lingyun Chemical | Calcium carbide | no login | Shizuishan | Jan 01,2025 |   | 
| 2025 | Ningxia Yinglite Chemicals | Calcium carbide | no login | Shizuishan | Jan 01,2025 |   | 
| 2025 | Jinhai Yonghetai Melting Chemical | Calcium carbide | no login | Shizuishan | Jan 01,2025 |   | 
| 2025 | Gansu Hongfeng calcium carbide | Calcium carbide | no login | Lanzhou | Jan 01,2025 |   |