We are a contractor company that founded by Ong Onggo Tjandra Setiawan on May 17th, 1993. Starting from a specialist at housing development, in these two decades, we have gained many valuable experiences and improved the quality, both in construction techniques, materials and so on. Therefore, now we are growing rapidly into one of the most prestige contractor company in Indonesia. Currently, our project already expands into large scale projects such as the construction of hotels, hospitals, restaurants, malls, and so on. We are known as a company which has satisfying many customers because of its speed, accuracy, and tidiness.