To Evaluate Safety and Efficacy of CGBIO Stent Compared to Biomatrix Flex Stent

Inclusion Criteria: * At least one lesion with a diameter stenosis \>50% * suitable for coronary stent implantation in a vessel with a reference diameter ranging from 2.5 mm to 4.0 mm; * Gr 1 ≤TIMI flow Exclusion Criteria: * ST-segment elevation MI * Bifurcation lesion * Chronic total occulusion * Restenosis lesion * Graft vessel lesion * Patient has a history of bleeding diathesis or coagulopathy or patients in whom anti-platelet and/or anticoagulant therapy is contraindicated or in which patient will not be able to comply with dual antiplatelet therapy for at least 1 year * Cardiogenic shock or hemodynamic compromise * Existing impairment in liver and kidney.