The company does maintain quality in construction work by keeping on national and International standard of construction, infrastructure and public utilities to serve the purpose of developing the country. The company intends to implement and maintain a quality management system an continually improve its effectiveness in accordance with the requirements of this International Standard. The principles of construction has been continuously improved to always satisfy users' and employers' needs, and also to assure reliability, efficiency satisfaction and smoothness of the construction that at the end will result in strengthen the Company's business.