Jiangsu Ying Naisi Machinery Manufacturing Co., Ltd was established in 1995 and our registered Trade Mark is Hengjiu. We mainly specialize in precision cold drawn seamless tube, ready to hone tube, honed tube, hydraulic cylinder, and mining floated single hydraulic prop. It is located in Panjia Industrial Zone, Panjia Town, Wujin District, Changzhou city, China. We have 250T and 300T Hydraulic cold drawn machineries, Hydraulic straightening machine/Straightening roll machine, Horizontal honing machine/vertical honing machines. With advanced production technology and equipments, we have succeeded in getting a lot of orders. Our sales volume is 1000Tons/Month, and we believe we will do better in the future on the basis of equality and mutual benefit. We are looking forward to your business relations with us.