Hongyuan has a professional quality control system which includes incoming material inspection, internal dimensional inspection and requires suppliers to provide a declaration of conformity. Our products are ISO 9001-2008 certified, which is achieved through continuous research, rigorous testing and constant updating in our R&D department, laboratory and production plant.

Hongyuan adopts advanced testing instruments and strict testing procedures to ensure that every product meets high standards. The high-precision testing instruments equipped in our factory include: Spectrometer Tensile meter Ultrasonic Flaw Detector Hardness meter Three coordinates ......

We carry out comprehensive performance tests on each piece of equipment, including part size inspection, roughness inspection of finished parts, endoscopic inspection of crank holes, micro-inspection of plungers, noise inspection of equipment, etc., to ensure that the equipment maintains the ideal performance under various working conditions.