China CTDI Engineering Corporation (CTDI) is located in Chongqing Municipality, which is affiliated to China large enterprise groups - China National Machinery Industry Corporation (SINOMACH), and one of the central technical enterprises in Chongqing. CTDI has a powerful strength, comprehensive business scope, professional design and consultant service, a large number of experts, and the fruitful experience and achievements in engineering. CTDI is a large professional engineering corporation with national qualification certificates （Class A）. It is also renowned in area of survey, design, consultation, and construction industry in China, ranking among the top 100 national enterprises in survey & design, project management and general contract.

CTDI provides a wide range of services across over 40 disciplines in the fields of techniques, plants & civil work, utility work, cost estimation etc. The business scope includes domestic and overseas general contract, industry engineering, building work, municipal and environmental protection engineering, construction, engineering consultancy service and construction documents review. CTDI can provide the entire process of project service for the client, from planning & consulting, engineering design, equipment design & manufacturing, construction, supervision, project management to general contract/EPC service.

In the process of the nearly 5 decades development, CTDI has obtains brilliant achievements and is regarded as the technical and management expert in the field of construction with its superb professional skills, efficient management organization, full integrity in service process. Among the staff of 1100 people, 95 percent are specialized technical personnel, including National Design Master, experts enjoying Government Special Allowance and Registered Architects and Engineers.

CTDI is a client-oriented enterprise. Creating value for clients is our main task, and our design achievements are all over China. In recent years, CTDI has actively developed the international market, and has the business in Asia, Europe, Africa and other countries and regions.
In 2007, CTDI was continuously listed as one of the “Top-Credit Entities” in China for honoring contract in good faith. In 2006, CTDI gained the title of “Excellent Entity” in China Survey & Design Industry, awarded by China Survey & Design Association.

CTDI has been certified by the Quality Management System, Environment Management System and Occupational Health and Safety Management System in January of 2009. Complying with the management principle of “Planning elaborately, Serving sincerely, Managing scientifically, Pursuing excellence, Satisfying clients; Protecting environment, Guaranteeing safety and staff’s health, Complying with laws and regulations, Maintaining good credit, Improving continuously” and the management concept of “Creating a prosperous future for employees, clients and the society”, CTDI strives to promote the value of the clients and push the prosperity and development of the society forward.

CTDI promises to provide satisfactory services to meet the needs of the clients.

CTDI has completed the contacts valued several billions. CTDI would like to devote the efforts to the consultancy service and strive to develop the international general contract/EPC of engineering projects all over the world. CTDI is on the way to become a well-known international engineering corporation.