We are Shenzhen Guangwon Industrial Co., Ltd and listed on Nasdaq in February 2018 (US Stock Code: GWON)we offer interactive conference boardeducation white board camera microphonesmart pen and enterprise solutions etcwe have RoHS, CE,FCC, C-Tick , 3C.we have branch office in Germany, England, Russia, Singapore, Dubai, Australia, Brazil etc. Welcome to our factoctry to visit !Whatsapp /Wechat/Tel: +86 13168844974Address: 4th Floor, D Building, JInhao Pioneer Park, Dafu Industrial Area, Guanlan Town, Longhua New District, Shenzhen City, China.