We mainly undertake the following transport-critical system solution projects related to design, supply, installation, assembly and/or maintenance, depending on customer needs and recruitment: (i) automatic toll collection systems at railway stations; (ii) electronic payment and ticketing systems; (iii) Road and tunnel vehicle payment systems; (iv) traffic control and surveillance systems; and (v) Railway signal communication and control systems. We also provide other electromechanical engineering solutions and services, including: (i) security and access control; (ii) mechanical and electrical services and construction works at railway stations (including relating to (a) air conditioning and mechanical ventilation systems, (b) fire fighting systems, (c) plumbing and drainage systems, and (d) electrical systems); (iii) railway vehicle refurbishment and restoration works; and (iv) Railside and depot electromechanical works. Group history We are a provider of mechanical and electrical engineering solutions and services in Hong Kong. We mainly focus on transportation critical system solutions, and have a long business history of more than 39 years since 1977. We provide a full range of mechanical and electrical engineering solutions and services, focusing on the development, design, development, installation and maintenance of public transport-related systems and toll systems. Such systems include main control systems, signal control systems, traffic control and monitoring systems, public transport platform doors, automatic toll systems, and road toll systems for public and private facilities.