At present, China's construction industry, roof insulation, turn on the beam used in filling or expanded perlite, etc., ceramic, aerated concrete block, cinder and so on.

目前，在我国建筑行业，屋面的保温层、上翻梁填充等采用的还是膨胀珍珠岩、陶粒、加气混凝土砌块、炉渣等。

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Ceramic Ferrules are Specially designed for various stud welding. The products are made from cordierite which is ideal material and applied in shipbuilding industry, heavy construction fields, etc.

螺柱焊陶瓷环是各种类型螺柱与钢铁基体焊接时的保护定型环，由优质堇青石原料制成，广泛用于造船，桥梁制造，重型工业等领域。

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