The Yunan Group <Yunan Clean Center, Tomowa Environment, Old Compost, Yuwa Land and Building> aims to reduce the burden on the local environment through various activities centered on the waste treatment business. Contact Us site map Environmental problems surrounding us are attracting attention as more global problems such as global warming due to increased CO2 emissions, ozone holes, acid rain, and abnormal weather. One of the causes of these environmental problems is the increase in environmental load caused by our social activities. Each and every activity we carry out on a daily basis affects the natural environment. Copyright (C) 2008 YUNAN Co., ltd. All Rights Reserved