Email address: info@alphabestengineering.com 

Address: Flat 7-9, 18/F., Sterling Centre,11 Cheung Yue Street, Lai Chi Kok, Kowloon

地址: 九龍荔枝角長裕街11號定豐中心18樓7至9室

Tel: (852) 2191-2870. (852) 6405-9380