Hanwang Technology Co.,Ltd., together with its subsidiaries, provides handwriting recognition, optical character recognition, and handwriting input products in China and internationally. The company offers WISEreader, a portable electronic book; Dictionary Pen, a multifunctional scanning pen; HWPen that integrates handwriting technology and electromagnetic induction technology for different modes of computer handwriting board; Tablet, a professional painting tool for art; Scan Pen for text readers; Mini Scanner, a portable hand-held offline data input device designed for mobile office working; MousePen, which is used for writing, reading, and identify pictures and text on the screen; and bionic flapping wing. It also provides office application products, such as high-speed professional scanners, starter edition scanners, and documents cameras; Face Go; and C-pen and E-signature products. In addition, the company offers PM2.5 Detector, a handheld instrument that conducts real-time measurement of the concentration and quality of airborne particles; and household indoor air purifiers and haze removal machines.