Epsilon  www.epsilontech.com  
Epsilon公司是世界上专业生产引伸计的公司，在全球享有很高的知名度，世界上许多知名品牌试验机公司都采用Epsilon的产品。
Epsilon is dedicated to making high performance extensometers to meet a great variety of materials testing needs. We are committed to providing the highest quality and accuracy in extensometry. Over twenty-eight years of experience have gone into the development of our products. Our innovative designs and factory direct sales result in world class quality at substantial savings.