Summary: the concrete pumping mechanism includes the hopper, the water tank, the piston rod, the master cylinder, the concrete delivery cylinder, the swing valve cylinder, the concrete piston assembly, etc. Quality: it is made of low-carbon alloy steel plate. The spare parts are made by ourselves or the high-quality manufacturers in the industry to ensure the assembly quality. Professional: customization is acceptable based on the mature structure of domestic and foreign pump manufacturers. Reliable: all kinds of vulnerable parts are adopted general ones in the market with a large number of usage, which are durable and maintenance replacement are convenient. Water-debugging is made according to the simulated normal working conditions before shipment. Models: 140/160/180/230/260