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Sinowon is the top five suppliers of ultrasonic hardness tester in the world which founded in 2005. Researching and manufacturing headquarter locates NanCheng/Dongguan. We have already gathered a team of excellent and innovative R&D specialists，skilled production staffs，responsible and professional marketing team in our company now．We bend ourselves to create the value for the customers and to create the wealth for the society forever．We always take "Satisfaction, Innovation, Norm, Obligation, Worth, Open,and Nimble"as our business philosophy, we focus on the customers’need as our starting point，and we keep on improving the management ability and strengthening the power of R&D to supply the high—quality products and services for the customers．since it is our goal to make hardness measurement more accurate and uncomplicated.