 
 
					
						
							
								Invención de la carretilla elevadora de energpia AC hidráulica 
							
						 
					 
				 
				
					 
 
					
						A new type walking speed regulating device-invention
					
				 
				
					 
 
					
						Stripping submersible pump for oil unloading-Invention
					
				 
				
					 
 
					
						Invention Patent(Hydraulic system)
					
				 
				
					 
 
					
						Invention Patent(Electric system)
					
				 
				
					 
 
					
						Invention Patent(energy control valve)
					
				 
				
					 
 
					
						Forklift wheel position sensing and display device
					
				 
				
					 
 
					
						Forklift steering device
					
				 
				
					 
 
					
						Full hydraulic AC power forklift
					
				 
				
					 
 
					
						Chemical process intelligent pump and its control method
					
				 
				
					 
 
					
						Flame arrester for internal combustion
					
				 
				
					 
 
					
						A grooving device for pipeline pump body and cover
					
				 
				
					 
 
					
						The feeding method of hollow casting
					
				 
				
					 
 
					
						The using method of filters for big-scale casting pouring process
					
				 
				
					 
 
					
						The bottom injected pouring system with Internal pouring gate of banding type section
					
				 
				
					 
 
					
						The bottom injected pouring system with Internal pouring gate of annular type section
					
				 
				
					 
 
					
						The yaw brake disc casting- one sand flask with several casting mould and cast solution
					
				 
			 
			
				
					 
 
					
						Detachable type inline pump
					
				 
				
					 
 
					
						Control mechanism for double seal valve
					
				 
				
					 
 
					
						a new type forklift multiple directional control valve
					
				 
				
					 
 
					
						Hydrostatic transmission internal combustion forklift
					
				 
				
					 
 
					
						Horizontally axially split multistage diffuser pump
					
				 
				
					 
 
					
						Horizontally axially split multistage oil transmission pipeline pump
					
				 
				
					 
 
					
						Flame-proof quick-change connection box
					
				 
				
					 
 
					
						Vapor recovery unit with pressurizing、condensation、spray
					
				 
				
					 
 
					
						Inner relief device of double seal valve
					
				 
				
					 
 
					
						Slant fork arm carrier
					
				 
				
					 
 
					
						Three-stage mast
					
				 
				
					 
 
					
						Bearing cavity seal structure for high rotation speed pump
					
				 
				
					 
 
					
						Skid-mounted oil sending unit
					
				 
				
					 
 
					
						A quick-connector for top oil sending
					
				 
				
					 
 
					
						Handle type pressure relief device
					
				 
				
					 
 
					
						A from top oil sending unit with vapor recovery unit
					
				 
				
					 
 
					
						Regulating mechanism for steering wheel position
					
				 
				
					 
 
					
						Explosion proof reversing switch
					
				 
				
					 
 
					
						Friction resistance reducing structure for double seal valve
					
				 
				
					 
 
					
						Sliding vane external type sliding vane pump
					
				 
				
					 
 
					
						Bid-directional safety valve
					
				 
				
					 
 
					
						Vapor recovery unit
					
				 
				
					 
 
					
						Oil seal structure of oil pump bearing lubrication
					
				 
				
					 
 
					
						A disc processing device for double seal valve
					
				 
				
					 
 
					
						Loading and unloading submersible pump
					
				 
				
					 
 
					
						Chemical process intelligent pump
					
				 
				
					 
 
					
						Flame proof signal lamp
					
				 
				
					 
 
					
						Axial Inlet device and its connection structure for horizontal multi-stage pump
					
				 
				
					 
 
					
						Axial force balancing structure for multi-stage axially split centrifugal pump
					
				 
				
					 
 
					
						Wear reducing sliding vane of sliding vane pump
					
				 
				
					 
 
					
						Sectional type and variable screw cabinet rotor structure
					
				 
				
					 
 
					
						Roots vacuum pump
					
				 
				
					 
 
					
						Sliding vane against taking off structure
					
				 
				
					 
 
					
						Tip gas structure of labyrinth impeller seal ring
					
				 
				
					 
 
					
						Double cycloid rotor of dry vacuum screw pump
					
				 
				
					 
 
					
						Tip gas structure of labyrinth impeller seal ring
					
				 
				
					 
 
					
						Forklift weighing mechanism
					
				 
				
					 
 
					
						Vertical inline pump
					
				 
				
					 
 
					
						Large power high speed sliding bearing
					
				 
				
					 
 
					
						A impeller seal ring processing device
					
				 
				
					 
 
					
						Measuring tool for screw rotor
					
				 
				
					 
 
					
						Electric-hydraulic synchronous control mechanism
					
				 
				
					 
 
					
						Screw stripping pump
					
				 
				
					 
 
					
						Dynamic balance structure of single head screw rotor
					
				 
				
					 
 
					
						Flame proof electric fan
					
				 
				
					 
 
					
						Stopper rod of corking pouring basin -Utility Patent Certificate
					
				 
				
					 
 
					
						Internal fin of the completed parts runner & pouring system
					
				 
				
					 
 
					
						Large split-case centrifugal pump with open type body moulding
					
				 
				
					 
 
					
						The moulding of big flat surface casting with heavy thick wall
					
				 
				
					 
 
					
						The compound template for sand-moulding casting
					
				 
				
					 
 
					
						The casting moulding with tools of collecting slag
					
				 
				
					 
 
					
						The polygon sand flask for casting application
					
				 
				
					 
 
					
						One type of casted main shaft
					
				 
				
					 
 
					
						The pouring system with sluice pouring gate
					
				 
				
					 
 
					
						The sand flask with window
					
				 
				
					 
 
					
						The feeding system of equivalent width side pressing along with the form changes