Treatment of materials；Waste and garbage recycling; air purification and water treatment; printing services; anti-corrosion treatment of food and beverages.
材料处理；废物和垃圾的回收利用；空气净化和水处理；印刷服务；食物和饮料的防腐处理。
X-Class
Class
40
List of Sub-classes included in Class 40
| 4001 | Synthesis processes and information supply |
综合加工及提供信息服务 |
| 4002 | Materials of metal treating or processing |
金属材料处理或加工服务 |
| 4003 | 纺织品化学处理或加工服务 |
|
| 4004 | Woods processing |
木材加工服务 |
| 4005 | Paper finishing |
纸张加工服务 |
| 4006 | Glass processing |
玻璃加工服务 |
| 4007 | Pttery processing |
陶器加工服务 |
| 4008 | Food and drink processing |
食物、饮料加工服务 |
| 4009 | Stripping finishes |
剥制加工服务 |
| 4010 | Leather working and dressmaking |
皮革、服装加工服务 |
| 4011 | Photographic film development |
影像加工处理服务 |
| 4012 | Waste treatment |
废物处理服务 |
| 4013 | Air conditioning |
空气调节服务 |
| 4014 | Water purification |
水处理服务 |
| 4015 | Single service |
单一服务 |
| 4016 | Ship custom production service |
船只定制生产服务 |
| 4017 | Aircraft custom production services |
航空器定制生产服务 |
