The manufacturing plant of Dongzheng is comprised of machining line and assembly line, among which the machining line incorporates gear processing line and CNC lathe line. Our assembly line is consisted of AC motor assembly line, DC motor assembly line, and automatic production line for AC motor armature.

This test center is equipped with universal tool microscope, which is introduced to test hobs and other precise tools. It also employs strength tester for detecting the compressive strength of powder metallurgy materials, and coordinate measuring machine for testing the pitch space and dimension of accessories.