※(304)is made of high quality stainliss steel manufacturing;

※In JG/T 127-2007 standard for building doors and windows Hardware-friction;

※Can adjust opening Angle section(lock activity)fixed block;

※The ministry of construction committee recommended products for doors and windows fittings;

※This product is a professional stamping made heavy industry automation equipment,precision, beautiful,strong and durable;

※Fifty thousand times by authorities after test can still be normal operation,ensure continuing durable use;