Ernst Berger & Söhne JUWEL-Schraubtechnik GmbH has successfully specialized in the development and manufacture of mechanical, electric, pneumatic and hydraulic torque bolting equipment since 1980. Long years of practice-oriented experience have led to the development of a broad range of precision equipment for practical use. Our own development and manufacturing environment is equipped with the latest CNC machine tools, allowing for maximum flexibility when it comes to meeting individual customer demands. Our comprehensive range of services also includes expert repair and calibration of all common brands of torque bolting equipment, training, hire tool service, and other customer-specific services. The company was certified according to DIN EN ISO 9001:2000 in 1997. Nationally and internationally JUWEL has become an important cooperation partner to the wind industry. Quality, reliability and "Made in Germany" are the secrets of the company’s long years of success.