Sudong Smart Tightening Technology(Guangdong) Is a commitment to non-carbon brush electric screwdriver, torque tester and peripheral products supporting the development, production and sales in one of the professional high-tech enterprises。 The company has engaged in a number of development, production and scientific research and technical personnel and excellent management team, uphold the pursuit of excellence and continuous innovation of the service concept. Companies from design and development to manufacturing a series of processing technology have adopted a professional high-precision processing equipment, and strive to create the highest quality industry, services to our customers.