Reciprocating piston compressor (hereinafter referred to as "reciprocating compressor") is a reciprocating piston compressor which is used to compress a single or mixed medium gas in the petroleum, chemical and other processes. In the petroleum, chemical and gas industry in the process, often need to provide support for the process of the physical environment strictly, the process of reciprocating compressor as core process device in pneumatic equipment, its main function for conveying medium gas into the reaction device, and device for providing the desired pressure to reverse. Compared with the reciprocating compressor, reciprocating compressor has the characteristics of high pressure, high flow rate and high cost.

With the rapid rise of China's industry, especially in the field of energy, chemical and other basic industries continue to invest in large scale, the domestic reciprocating compressor market has always been in a high-speed growth trend. In the next few years, investment in traditional areas of petroleum refining, coal chemical industry, chemical fertilizer will still provide the steady growth of the market demand for the process of reciprocating compressor, and the rapid rise of clean energy, energy conservation and environmental protection and other emerging markets will provide a huge market space for the increment process of reciprocating compressor, such as oil label and upgrade the existing petrochemical equipment the upgrading of demand, brought about the rapid development of the natural gas industry to produce unconventional natural gas and CNG, LNG storage equipment demand, fire flooding, chemical industry, polysilicon industrial waste gas recycling market demand.

The market size of China's 2008 process of reciprocating compressor is 4 billion 854 million yuan, 5 billion 73 million yuan in 2009, 2010 increased to 6 billion 181 million yuan, is expected to increase from 2011 to 2015 the market size of the composite still maintain an average annual rate of 13.84% to 2015, the market scale will reach 11 billion 818 million yuan.

The process of reciprocating compressor is one of the most important equipment of energy chemical industry, especially high-end products used in large oil refining projects, the degree of localization not only reflects the industry level of a country's manufacturing equipment, but also for the protection of national economic security of great significance.