On Dec 1st, Tianjin Zhongwang Aluminum Co., Ltd. Heave Stretching machine from SMS Group, for aluminum plate of China national project - Big Airplane, test run succeed right the first time. It is a breakthrough of monopoly from Western countries in the field of aluminum alloy plates. In addition, for the Big Airplane project, it represents the aerial aluminum plate technology self-supplied officially.

Tianjin Zhongwang Heave Stretching machine, which assembles the most advanced technology in the field of stretching and straight equipment, is the key machinery in aluminum alloy plate process, stands on the top level of China aluminum plate process.