HOENSOEY Environmental Technology, Inc. is a business specializing in the research and development and manufacture of environmentally friendly products. The company has conducted in-depth research on the Sustainable Urban Drainage System (SUDS) and launched the nation's first Shallow Rainwater Management System with the "HOENSOEY Cells". The company devotes itself into finding the rai... https://www.hoensoey.com/ht-508-green-roof-module/