-The fishbone-type frame is optimal of each separated units with flexible units.
Suspended structure: there is a stand column, fixed frame and adjustable arch
at each end of the cow place.
-Support frame: every two cow places have a carriage, fixing is easy and convenient,
choosing different automation degree of guardrail, groove edge is made of stainless
steel or galvanized plates, fixed by bolts or cement.
-Three choice for door control: manual control, vacuum drive and pneumatically drive,
which meets the different requests.