# Class 40: Treatment of materials services

China trademark class 40, Treatment of materials services: its 17 similarity groups with English and Chinese names, and the goods or services items in each.

Canonical URL: https://ginbing.com/docs/china-trademark/classes/40
Markdown URL: https://ginbing.com/docs/china-trademark/classes/40/index.md

## Class heading

Treatment of materials; recycling of waste and trash; air purification and water treatment; printing services; preservation 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。

## Similarity groups

- [4001 Comprehensive processing services and related information services](/docs/china-trademark/classes/40/4001) - 综合加工及提供信息服务, 14 items
- [4002 Treatment or processing services for metal materials](/docs/china-trademark/classes/40/4002) - 金属材料处理或加工服务, 54 items
- [4003 Chemical treatment or processing of textiles](/docs/china-trademark/classes/40/4003) - 纺织品化学处理或加工服务, 49 items
- [4004 Woodworking services](/docs/china-trademark/classes/40/4004) - 木材加工服务, 20 items
- [4005 Paper processing services](/docs/china-trademark/classes/40/4005) - 纸张加工服务, 12 items
- [4006 Glass processing services](/docs/china-trademark/classes/40/4006) - 玻璃加工服务, 16 items
- [4007 Pottery processing services](/docs/china-trademark/classes/40/4007) - 陶器加工服务, 4 items
- [4008 Food and beverage processing services](/docs/china-trademark/classes/40/4008) - 食物、饮料加工服务, 47 items
- [4009 Taxidermy services](/docs/china-trademark/classes/40/4009) - 剥制加工服务, 5 items
- [4010 Leather and clothing processing services](/docs/china-trademark/classes/40/4010) - 皮革、服装加工服务, 51 items
- [4011 Image processing services](/docs/china-trademark/classes/40/4011) - 影像加工处理服务, 41 items
- [4012 Waste treatment services](/docs/china-trademark/classes/40/4012) - 污物处理服务, 62 items
- [4013 Air-conditioning services](/docs/china-trademark/classes/40/4013) - 空气调节服务, 11 items
- [4014 Water purification services](/docs/china-trademark/classes/40/4014) - 水净化服务, 11 items
- [4015 Single service](/docs/china-trademark/classes/40/4015) - 单一服务, 117 items
- [4016 Custom manufacture of ships](/docs/china-trademark/classes/40/4016) - 船只定制生产服务, 2 items
- [4017 Custom manufacture of aircraft](/docs/china-trademark/classes/40/4017) - 航空器定制生产服务, 3 items

## Source

Classes follow the Nice Classification. Similarity groups and Chinese item names follow CNIPA's classification of similar goods and services, as used in Ginbing's filing flow on 2026-10-12. CNIPA's current list is authoritative.

## Credit

The list is CNIPA’s classification of similar goods and services as of 2026-10-12. Nice Classification English is © WIPO.

## Next steps

- [File with Ginbing](/china-trademark-registration) - USD 150 per class, up to 10 items included. You choose the exact items in the application.
- [Let your AI pick the items](/docs/china-trademark/use-with-ai) - With Ginbing’s connector, your AI searches these items for you and prepares your filing draft.