HSU PEN has been established for 45 years. The company believes that their customers are always the most important thing and that they should match customer needs with their production and services. HSUPEN also place emphasis on guaranteeing quality through their professional manufacturing skills and strict quality testing . The company also prides itself on being flexible for different customer requirements and can custom-design and manufacture. Now, the companyâ??s products include: CNC computer tenorners, triangle tenoners, tenoners , mortise tenoners as well as whole plant equipment for the manufacture of complex components for carbon fiber tennis rackets and carbon fiber bicycles. HSU PEN sell their products to the U.S.A, Italy , Spain, Vietnam, India, Pakistan and other Asian countries and their production quality now reaches international standards.