Quality Control

* ISO 9001:2008 Quality Management System

* Inspection System: Self Inspection, Mutual Inspection and Professional Inspection

* Overall Quality Inspection: raw materials incoming inspection, semi-finished products inspection, specimen testing, products testing

SYI-Quality-Control-15 SYI-Quality-Control-14 SYI-Quality-Control-13 SYI-Quality-Control-10 SYI-Quality-Control-11
Spectrum Analysis Chemical Components Analysis Tensile Strength Test Micro-structure Test Hardness Test
SYI-Quality-Control-12 SYI-Quality-Control-09 SYI-Quality-Control-05 SYI-Quality-Control-06 SYI-Quality-Control-08
Coating Thickness Measurement PT(Penetration Test) Hydraulic Pressure Testing Permanent Set and Load Test Press Ring Experiment
SYI-Quality-Control-07 SYI-Quality-Control-02 SYI-Quality-Control-01 SYI-Quality-Control-00 SYI-Quality-Control-03
Impact Test Magnetic Powder Testing 3D Dimentional Measurement Surface Roughness Measurement Supersonic Sounding