芬兰西南部维尔卡拉(Virkkala)的洛查(Lohja)公司是一个由5个独立集团组成的多种经营的机构,其中4个集团在国内外设有子公司。根据母公司的最新统计数字表明,在这5个集团中,建筑材料集团的销售量最大。该集团的中心业务范围包括石灰石开采、石灰和水泥厂、轻集料、砖石建筑产品、绝缘 Lohja in Virkkala, in southwestern Finland, is a diversified organization of five independent groups, of which four have subsidiaries both at home and abroad. According to the latest statistics from the parent company, among the five groups, the largest sales of building materials group. The Group’s core business areas include limestone mining, lime and cement plants, light aggregate, masonry products, insulation