Garden Industrial Co., Ltd. is a supplier of horticultural expanded perlite, expanded vermiculite, peat moss, humic acid, grass rope, rice hull charcoal, etc. We've been manufacturing expanded perlite and expanded vermiculite for over 20 years. Our own factory is located in Dalian, and annual output of our factory is about 20000 tons. Welcome to visit our factory. Expanded perlite and vermiculite can also be used as insulation in buildings.