Quality Control
Quality Control is the life and soul of Guoyang Valve (GY Balls) products, we never neglect any one single process for pursuing the best quality.
Guoyang Valve (GY Balls) quality control system including three inspections, Blanks Inspection, Machining Inspection and Final Inspection exist in each process throughout the whole manufacturing activities, as below:
|
Blanks Inspection(Random per heat) |
Machining Inspection(100% + tour) |
Final Inspection(Random） |
|
Visual Dimensional Mechanical Property Chemical Composition PO Required Test |
Visual Dimensional Coaxiality Symmetry Perpendicularity Parallelism |
Visual Dimensional Roughness Roundness Packaging |
Therefore, Guoyang Valve (GY Balls) equipped essential test & inspection equipment, such as PMI Analyzer, Metallurgical Microscope, Hardness Tester, Micrometer, Calipers, Height Gauge, Roughness Gauge, Roundness Gauge, etc., our general quality control workflow is as below:
All in all, Guoyang Valve (GY Balls) has one-stop quality control from raw material to finished products, guarantee our valve balls are in perfect condition before delivered to our customers’ hands. We are always trying to be spokesman of Quality Made-in-China, make our quality more trustworthy and with durable service, creating values for our customers and end-users.