HNCDI is mainlyengaged in survey & design ofexpressway, first-class and second-class highways. Survey& Design services have been provided over recent yearsfor a huge number of expressways and trunk highways ofvarious classes, which add up to 20,000+km, including7,000+km of expressways. HNCDI has won a total of200+ national and provincial awards in scientific andtechnological progress and survey & design, includingGold Prizes of National Excellent Engineering Survey &Design and Tien-yow Jeme Civil Engineering Prizes, 20 ofwhich are of national level. Besides, HNCEI has 6 patents
