生產銷售:瑪鋼管件(jian)(jian)(jian)(jian)、襯塑(su)管件(jian)(jian)(jian)(jian)、涂塑(su)管件(jian)(jian)(jian)(jian)、消(xiao)防及燃(ran)氣管件(jian)(jian)(jian)(jian)、消(xiao)防器材、球(qiu)鐵(tie)溝(gou)槽管件(jian)(jian)(jian)(jian)、溝(gou)槽襯塑(su)管件(jian)(jian)(jian)(jian)、溝(gou)槽涂塑(su)管件(jian)(jian)(jian)(jian)