Shenzhen BTK Electronics Co.,ltd is a professional manufacturer of musical greeting cards,video greeting cards since in 2008.We always keep developing on the innovation technologies and have good cooperation with many famous brand companies.We continue to develop the domestic and international markests, we build our own brand "BTK" and sales network in domestic market.Our factory is located in Shenzhen with plant area of about 5000 square meters,employs 150 people. We Adopt 5s management system,strict implementation of ISO9001 international quality system standards and strive to improve the quality of staff.