E.C.T. Professional Co.Ltd. was established in May 1997 on E.C.T System Co., Ltd. is the first company by a group of professional engineers who have many experiences structural works and system engineering works and all its related engineering fields and utilities. Although only 25 years old, hard work and quality have brought the company the high level of success, as well as being able to keep going through the Thailand’s economic crisis. Since year 2014, we have 5 companies in our group, we underline on developing a highly skilled and well trained our team. Recently, Revit Program by autodesk becomes a tool for success in doing shop drawing process. As a Engineering Company, We already implement Revit with our engineer team. This technology can simulate. Piping system in 3D for our customer.