Zhengzhou Huitong Electric Material Co., Ltd. specializes in the production of foam glass, color foot stone, wall insulation items, cold insulation items and anti-corrosion insulation items. Currently, foam glass is the only best low-temperature and thermal insulation material both at home and abroad. It is a new kind of thermal insulation material made of glass (natural glass, artificial glass) foaming. It is characterized by high strength, fireproof, sound-absorbing, wide applicable temperature, low volume weight, small coefficient of thermal conductivity, none moisture absorption,...