As a leading manufacturer of security devices, Portman has been dedicated to supplying GPS/GPRS/GSM tracking systems, car alarms, audio systems, and home security systems for nearly three decades. Established in 1983 in Taiwan, Portman began as a manufacturer of sirens and quickly built up a solid reputation based on the advanced design and exceptional reliability of its products. This successful beginning fueled a rapid expansion into the vehicle and home security system markets.

In order to achieve the goal of becoming a preferred source in a global environment, Portman established manufacturing operations in China in 1991. With 200,000 sq. ft. of state-of-the-art manufacturing and assembly technology (including vertical capabilities in tooling, injection molding, die-casting, cable, wiring and SMT lines), the China facility has become the heart of the Portman Group and is delivering superior products to over 70 countries worldwide.

Along with expanding its customer service network, Portman is committed to the continual improvement of its quality management system to ensure only the highest quality products reach our customers. With ISO9001:2000 already in place, Portman achieved third-party certification for ISO/TS16949, adding quality management disciplines to meet the requirements of some of the world's largest companies. Portman is proud to provide products approved to the standards of CE, E-mark, RoHS, Thatcham, EMC, FCC, UL and PTCRB. To ensure the safety of our product users and the reliability of our entire product line, every step ofthe manufacturing process is designed and executed with IQC, IPQC, FQC, and AQL sampling in mind. Some products are SPL approved as well. All PCB's are 100% inspected and tested by ICT testers - all to achieve Portman's goal of zero-defects.

In order to remain competitive, more than 100 highly qualified R&D engineers at Portman ensure its top position in the world-wide market place in terms of product development and design. Armed with the most advanced professional hardware and software (CAD, PRO-E, PRO-TEL, in-circuit emulator, static electricity tester, etc), Portman is always ready to answer and satisfy customer's requests for OEM and ODM projects.

The Portman Name Has Become Synonymous with Product Quality, Reliability And Customer Satisfaction.