- Chongqing headquarters address：
Chongqing Changshou District - Zip code：401221
Export Business
- Tel：+86-23-6302 6003
- Email: export@chinassp.net
Domestic Business
- Tel：+86-21-6147 8635
- Email：domesticsales@chinassp.net
Technical Support
- Tel：+86-23-6898 1161
- Email：marketing@chinassp.net
