1 The main frame adopts the high-quality steel tube of for use, durable and safe.
2 Adopt high strength steel cable as transmitting wire and you will feel safe and durable. 
3 The weight stack adopts casting iron and has protective cover.
4 Rotating part adopts the high-quality bearing, durable in use and there is no noise while using.
5 The high quality leader makes it smoother while using.