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圣维尔(San-Vel)混凝土公司预制厂于1958年投产,是美国较大的预制厂之一。除生产构件外,还供应预拌混凝土。1975年9月,中国建筑师代表团应美国建筑师协会的邀请,曾参观访问过这个厂。
The San-Vel Concrete Prefab Factory was put into operation in 1958 and is one of the larger precast plants in the United States. In addition to production components, ready-mixed concrete is also supplied. In September 1975, a delegation of Chinese architects visited the factory at the invitation of the American Institute of Architects.