foam glass has the physical properties of small density...
the dow chemical company has solemnly announced that it...
relevant authorities have found that the current domest...
foam glass ushered in a rare opportunity for developmen...
the policy contains a wide range of content. the simple...
the annual growth rate of polyurethane production in so...
foam glass is a porous inorganic non-metallic material ...
after the "11.15" major fire accident in shanghai, some...