Established in 1990 in Changhua County, central Taiwan, is a specialized manufacturer of motorcycle and scooter locks with a 19-year history. GiantSeal is recognized in Taiwan as the solid name in scooter and motorcycle security products. As the largest manufacturer and marketer of motorcycle and scooter locks in Taiwan, we continue to build quality and value into our expanding lines of security products. Religious devotion to R&D drives us to work out an integrated product development process, from design and drafting, prototype development to production, in house, to turn out products with excellent functionality. We supply a wide variety of locks, including U-locks, front fork locks, disc locks and related security systems for motorcycles and scooters.. Among our proudest products is the U-lock series, which all feature lightweight and compact exterior designs. The series, made of high-graded metal materials, are impact and wear-resisting. In addition, our devotion to ISO-9001 compliant quality control systems also helps to increase customer confidence in all our products.