For additional info call 386-801-4290 or email,
We offers a wide range of technical services focusing on the needs of environmental testing labs.
We specialize in quality service for all DONGLING shaker models of vibration test systems – old
and new, and have the most competitive pricing on new and rebuilt  DONGLING parts and
accessories as well as all other manufacturers.

Repair in the Field or at the Factory of; DONGLING shaker, amplifiers, slip tables, fixtures & more!
Parts and Accessories for all systems. Complete recondition of your present shaker system.
Parts Repair on all makes & models of armature, field coil, bearing & more.
Preventative Maintenance
Stroke conversation from 1" to 2"
Offering Recondition & New shaker systems.
Up grade your old Amplifier with new efficient  space saving Amp's
Trade-Up or Trade-Down your Shaker systems.

QAI  your one-stop solution for all your service and test equipment needs!
Before & After repair of a Ling B-290 bearing assy.
CYLEX Silver awarded company
....  There is always a way...if you are commited !

Dongling Shaker Repair
All makes and models !
Sentek, Ling, IMV, LDS, MB, Tira, Data Physics,
Dynamic Solutions, Unholtz Dickie,Thermotron, ETS, IMV,
Spectral Dynamics, Dongling, & all other makes!