
DieQua Corp. provides more than just gearboxes; we provide the engineering partnership needed to optimize complex machine designs. Specializing in high-precision motion control—from servo planetary reducers to complete screw jack lifting systems—we lead with a consultative approach to solve your unique torque, speed, and positioning challenges




GWJ Technology – Leading Software Solutions for Gears and Complete Gearboxes
Design – Optimization – Manufacturing – Made in Germany
For over 25 years, GWJ Technology has been synonymous with premium software solutions for mechanical engineering – developed to empower engineers, designers, and technicians worldwide in their daily work. Our name stands for quality, precision, and innovation “Made in Germany.”


SDP/SI - Stock Drive Products/Sterling Instrument is a U.S.-based manufacturer of power transmission and motion control products, serving customers since 1950. The company specializes in precision gears, high-quality mechanical components, gearboxes, and the assembly of both mechanical and electromechanical subassemblies. SDP/SI is part of the Designatronics family of brands, offering a wide range of stock mechanical component options and customized solutions to meet diverse engineering needs.

