Streetdirectory.com ADAPTEC Building is located in Chai Chee, Singapore. An old kampong, the district was a famous vegetable market. It is also the first estate of Singapore HDB flats and remains a residential area today. However, since the development of science and technology in Singapore, industrial estates have started to emerge in Chai Chee, such as technopark Chai Chee. These comprise mainly laboratories dealing in electronics and microchips. However, the bulk of Chai Chee is still a housing estate with coffee shops, hardware shops and florists.