Our Headquarters

SHENZHEN LONGSIN INTELLIGENCE TECHNOLOGY CO.,LTD.
Add: Building2, Kaijieda Industry Zone, Huachang Road, Longhua, Shenzhen, China.
Web:http://www.longsin.cn/en/
Web:http://www.ls-alarm.com/en/
Tel:+86 755 26643833
Tel:+86 755 28071996
Tel:+86 755 26643822
Fax:+86 755 29672099

How can we help?

For questions about Longsin, to schedule a demo or speak with a sales rep, complete the form below, and we’ll be in touch shortly.

Sales Department (Agent & price consultation service )

Domestic: Jerome
Mobile: +86-18938912388
Email: longsin@longsin.cn
QQ: 315221188
MSN: zhenzhenlong@hotmail.com
SKYPE: zhenzhenlong
Alibaba: lsaf110 Send Message

International Department

International: Sabrina
Mobile: +86-13923868655
Email: sabrina@longsin.cn
QQ: 294702918
MSN: lingyan_liao@hotmail.com
SKYPE: yuxin012
Alibaba:cnlongsin Send Massege

Technical Assistance Center ( After-sales and Technical support service)

E-mail: serve@longsin.cn
Complaint center
E-mail: zhenzhenlong@126.com
Motto: Longsin-Best Quality, Best Offer, Best Service
Address: Building2, kaijieda industry zone, huachang road, longhua, Shenzhen, China