Shenzhen A-OK Technology Grand Development Co., Ltd. dedicates to automation and motorization system over 12 years. We focus on developing tubular motors and control system that is applied for Sun Protection, Projection Screen, Projector Lift, Conference system, Home Cinema etc. With outstanding quality and professional service, A-OK TECH earned great reputation in the industry and keeps strong ties with many Top Class Projection Screen Suppliers both domestic and abroad. We supply not only quiet motor and controller but also full solution to our customers. Powered by A-OK products, your projection screen will create best visual sense.