Pneumatic technology to expand the application surface is a sign of pneumatic industrial development. Application of pneumatic components main two aspects: maintenance and support. Past domestic sales of pneumatic components to be used for maintenance,in recent years, as the main supporting directly increase the share of sales has expanded each year pneumatic technology faces is a sign of pneumatic industrial development. Application of pneumatic components main two aspects: maintenance and support. Past domestic sales of pneumatic components to be used for maintenance, in recent years, as the main supporting directly increase the share of sales year after year.