Shenzhen NVISEN technology Co.,Ltd
Tel：0755-4889-5936；
Add:B6,Yujingtai Industrial Park,Dalang Street,Longhua District,Shenzhen City,China.
Domestic market:
Sales email: sales1@nvisen.com;
Technical email: tech1@nvisen.com;
Foreign markets:
Sales email: sales2@nvisen.com; Tel：+86 173 2449 7376
Technical email: tech2@nvisen.com;