Since AINNER’s establishment in 1997, constantly absorbing the international advanved technology of bolt tension, gamed at good quality and user in subject.Perfect sales service, ensuring customer peace of mind. Strong design team, designed to meet diverse customer requirements.

     All products are optimized design, form saving, reliable quality. All product components manufactured in Europe.Discard the malpractice installation of traditional hydraulic wrench, using the solution of no additional torque, bolt connection scheme without friction, can provide accurate threaded preload.

     The development of a wireless offline, online and offline connection detection system is the first technology product throughout the world. The product ranged in bolt tension, hydraulic nut, the pressure generator and related accessories.

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