斯科茨代尔本地的Rastra是一家通过回收聚苯板制作混凝土的公司，它的销售量在2002年到2005年之间增加了385%，现在正寻找更多的美国加工厂。
Rastra, a company based in Scottsdale that makes concrete from recycled styrofoam, increased its sales by 385% between 2002 and 2005 and is looking for more American factories.
该公司的这项特殊产品制作已经持续了100多年，他们也用同样技术，加工竖琴和其他早期乐器的琴弦。
The company, who have been plying their unusual trade for over 100 years, also use the same techniques to produce gut strings for harps and other early instruments.
公司主要从两方面开展工作，一方面从事精密机械零部件，非标零件加工，工装夹具，自动化设备的开发，设计及制作。
Companies to work in two major areas, on the one hand engaged in precision machinery parts, non-standard parts processing, fixture, automation equipment development, design and production.
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