"Shenyang MasTech Medical Device Co., Ltd." is a manufacturer of medical devices specializing in products used in diagnostic and interventional cardiology and radiology procedures. Its primary products consist of sterile disposable syringes to deliver contrast agents used in angiography, CT and MRI procedures with vascular injection systems and PTCA accessories which includes angiographic needles, pressure extension lines, 3-way stopcocks, control syringes, 3-port manifolds, inflation devices, Y connectors, torque device and guide wire insertion tool used for percutaneous transluminal coronary angioplasty.