The big bank ASiNG was founded in 2007 and is a brand under Shenzhen Ruisicong Technology Co., Ltd. It mainly develops and sells teaching and demonstration products such as PPT page-turning laser pens, loudspeakers, wireless microphones, etc. Since its inception, the big bank ASiNG firmly believes that technology can change the world, take root in the teaching and demonstration industry, and polish products with craftsmanship.

The products of the major banks follow the simple and easy-to-use design principles in their appearance design; the products are made of materials and workmanship adopt the industry Class A standards; at the technical level, through continuous improvement and innovation, new technologies are continuously applied to the products, thereby providing customers with Professional products that lead the trend and achieve twice the result with half the effort.