Quality control

     Quality is the life of the productS, and the quality is the soul of the company. In Zhongguangrun “surviving bases on the quality, service decides the future," strict implementation of ISO9001 quality management standards, strict implementation of quality control and dedication to provide customers with quality products and services. It has passed the tests of the National Quality Supervision and Inspection Center of wire and cable products and SGS,  the performance indicators of "Su-Run" brand copper rod, bare copper wire and other products of the performance indicators are better than the national standards, achieving the DIN (German Industrial Standard) and ASTMB33 (ASTM Association) requirements.

Torsion testing machine	Oxygen and nitrogen analyzer
Direct Reading Spectrometer	Rally