Zhejiang Jiexun Industry Co.,Ltd

� Boxlike covering to protect the inner parts effectively and entirely. � Widen arm

� Unique streamlined crank�high-strength aluminum alloy framework�thi

1�Unique streamlined crank�high-strength aluminum alloy framework�th

� Unique streamlined crank�high-strength aluminum alloy framework�thi

� Unique streamlined crank�high-strength aluminum alloy framework�thi

�Unique streamlined crank�high-strength aluminum alloy framework�thic

� Unique streamlined crank�high-strength aluminum alloy framework�thi

� Unique streamlined crank�high-strength aluminum alloy framework�thi

� Unique streamlined crank�high-strength aluminum alloy framework�thi

� Unique streamlined crank�high-strength aluminum alloy framework�thi