Ma Guanghui

Stop valve grinding machine

Cylinder elasticity formula belt clutching mechanism of heap machine that turns over

It chops and turns over throwing roller frame to turn over heap machine strip

Heap machine that turns over shovel jack that gathers materials

Main frame elevating system of heap machine that turns over

Hydraulic pressure turns over a heap machine

Valve testboard rack synchronous telescope mechanism

Roller elevating system is thrown in turning over of heap machine that turns over

Pipeline beveling machine autofeed moves back sword mechanism

Valve test stand connecting rod synchronous telescoping mechanism