has more than 20 years of experience in supply and install aluminium door and window. We have retails in Hong Kong Island and Kowloon serving variety of customers in years, for instance, individuals, interior decoration companies, and architectural firms, etc. Our business includes measuring, providing quotation, supply material, installation, and providing complementary after service and etc. We also have copious experience in installing aluminium door and window in diverse building types, such as: residential buildings, houses, industrial and commercial buildings, and schools. We have become one of the most famous door and window fittings brand – SIEGENIA from 2003, and we are providing aluminium door and window using SIEGENIA’s fittings ever since. Moreover, we