YAL model of combined angle and single & plane flanging machines are equipments of special usage for different work shapes, such as square, rectangular and round wind pipe; square, rectangular elbow and T-piece and telescoping pipeline. The work shapes are accurate, unknit and artistic which make the connecting of pipes more convenient, firmer and faster, and of which the manpower is incomparable. Recently it has become the essential equipment of stalling of air-conditioning, aeration and dust ejecting in areas like spinning, national defence, mine, chemical industry, hospital, hotel, high-rise etc.