Vanshui Enterprise Co., Ltd., located in Shanghai, China, is specialized in Time & Attendance products, Bluetooth Earphone, Door Lock, Smart Home Alarm System and Access Control System with many world-class patented biometric algorithms. All models come with powerful time attendance management software which can support all kinds of complicated shifting and generating problems.Besides, we also offer Guard Tour Systems, RFID Readers, Proximity cards, Solar power systems, Fingerprint access control systems and USB proximity card readers.Our products are all of high quality and at low prices because we want to share the success and market with our customers. Our aim is to provide our customers with quality products and big profits to meet customers' needs, and consider problems ahead of customers to provide outstanding services for our customers.We are intended to be the top in the industry; we grow with customers.