Compressed air purification technology started its development in 1940s in the world but in 1970s in China.Therefore,there is a gap between the compressed air purification equipment made in China and that made in advanced countries.
In order to narrow the gap,Risheng strengthens its international co-operation and importsadvanced overseas technology to serve China's construction.Ever since its establishment,Risheng has become the authorized distributor in China of domnick-hunter,Meanwhile,Risheng keeps improving its products' technology and applicability and developing its overseas maeket.