
| PLC industry automatic control system | OMRON |
| Pneumatic elements | XINYI, Made In China |
| Photoelectrical protecting switch | OMRON |
| Electrical control elements | CHINT(China) or SIEMENS |
| Induced draft fan (1 set ) | Made in China |
| Vacuum valve (1 piece) | Made in China |
| Automatic heating system | Made in China |