Jiangsu YINGNAISI Machine Manufacturing Co., Ltd. (JIANGSU YINGNAISI) was located in Wujin District,Changzhou City,Jiangsu Province,China.Where is nearby Shanghai City(one hour by high-speed train).

Our factory was founded in 2005,with covering an area of more than 23000 Square meters,and more than 100 employees.Cold drawn and cold rolled precision seamless steel pipes and Hydraulic cylinder are our main products。
We have a complete range of equipment and sophisticated technology. We are equipped with two highly-precision cold-drawing hydraulic presses (250T and 300T respectively), a 180 finishing mill group, many CNC boring and rolling presses, multi-roll straightening machines, CNC lathes and dozens of large honing units, with an annual output of 15,000-plus tons of precision cold drawn tubes.

Our products are extensively applied in hydraulic pressure of engineering machinery, pneumatic linear actuators, petroleum oil-well pump cylinders, micro-motor shell, lubricating oil ball sweep systems, aluminum foil mandrel, high pressure gas cylinders, automotive shaft, textile, printing and dyeing, glass packaging, transmission roller and other areas.

Our quality is ensured and we were certified to ISO 9001 Certificate and got “Jiangsu quality credit AAA grade brand enterprise” title.