Tianjin Ocean Technology sales Co., Ltd., located in West Lake Road, Nankai District, Tianjin, China chapter 2, Room 1-103, telephone :13114901739,022-27479931 leading provider of fingerprint attendance machine, fingerprint access control, proximity card attendance machines, proximity card access controller , fingerprint lock, fingerprint encryption flash drives, SDK development kits, and can produce products according to customer requirements, taking photographs attendance machine, face recognition machine, dedicated to sizes of enterprises Attendance Management System BS structure of off-site sales and service. The world's leading biometric core technology and product provider of staff of nearly 1,200 in the United States / India / China with commercial organizations, in Shenzhen, China factory covers an area of 30,000 square meters, covers an area of 30,000 square meters factory in Thailand. From product R & D / Industrial Design / SMT automated assembly line / optical design and production center / Mold Design Center / Injection Production Line / printing production line / hardware production lines, and all of the industrial design and manufacturing chain, the company started in 1985 in fingerprint recognition algorithm, face recognition, iris recognition technology research in the world has more than 150 million people use the ocean science and technology of fingerprint identification technology, while more than 200 million units produced by ZK software fingerprint identification system operating on a global, ZK Software Biometric technology in the world dedicated to the promotion and application and industry oriented development. ZK Software Biometric algorithm independent intellectual property rights ZKFinger is the world's most open one of the technologies, from License to OEM / ODM / OBM business models such as ocean science and technology have been established around the world with nearly 1,600 co-developers, a distinguished market , technology, manufacturing teams have witnessed and experienced, creating a biometrics history. ZK Software is currently the world's largest fingerprint identification products for civilian use core technology providers, manufacturers, OEM manufacturers, accounting for nearly 40% of the civilian market. Home delivery, free training software the option of 2-year warranty and lifetime maintenance, a 24-hour technical support