All parts and connections should be secure. Axes and pins, should adopt the mechanical properties of not less than 45 steel material manufacture, self-control aircraft, hardness after quenching should be consistent with GB / T 699, the provisions of GB / T 3077, the surface roughness Ra of mating surfaces not more than 1.6μm. Important parts of the material must have factory certificate. Otherwise, the test should be sampled, its chemical composition, mechanical properties shall comply with the relevant standards. Electrical Equipment selection criteria should be reasonable, and should have a certificate of products; non-standard mechanical and electrical equipment must be approved by the quality inspection departments can be used after passing inspection. Controlled aircraft is rotated about a vertical axis around, lifting free entertainment equipment. In many people's minds to become an astronaut as a child, divine dreams and goals controlled aircraft, play equipment controlled aircraft, rotating lift small aircraft only in color and appearance to meet people's visual psychology controlled aircraft, self-control aircraft manufacturers, and the product having three hundred sixty degrees of rotation and lifting effect, it feels like flying in the sky, thereby achieving the dream of flying in the sky after the ride up. Controlled aircraft manufacturers _ _ controlled aircraft Jinshan recreation facilities provided by the Zhengzhou City Amusement Facilities Co., Ltd. Jinshan. Zhengzhou City, Jinshan Amusement Facilities Co. (www.zzjsyl.com) located in Zhengzhou City, Henan Province, 310 State Road neighborhood with gold Ping Road intersection north 100 meters Road East. Scraps and development in the wave of market economy, Kingsoft recreation facilities have a higher visibility in entertainment facilities, enjoy a good reputation. Jinshan recreation facilities made the whole network business alliance certification, marking our service and management level has reached a new height. Jinshan entertainment facilities staff willing to work with all people of insight and common development, for a better future.