Auto Parts 4+4mm automotive aluminum hinge welding sample Airbag bracket spot welding sample Auto hydraulic torque converter projection welding sample Auto oil pipe bracket spot welding sample Auto parts hoop stud projection welding sample Auto parts lock support plate spot welding sample Auto parts M8 flange nut projection welding sample Automobile B-pillar galvanized sheet spot welding sample Automobile glass lift bracket projection welding sample Automobile motor blade bump welding sample Automobile motor bracket spot welding sample Automobile shock absorber projection welding sample Automobile Steering Connector Nut Projection Welding Sample Automobile torque converter projection welding sample Automobile wiper connecting rod spot welding sample Automotive shock absorber spot welding samples Bumper crash box spot welding samples Car battery hoop multi-spot welding sample Car gearbox gear projection welding sample Car round nut ring projection welding sample Car seat bottom bracket welding sample Car seat frame spot welding sample Car seat recliner carbon steel plate welding sample Car seat slide rail bolt double-head projection welding sample Car seat slide rail laser spot welding sample Car seat slide rail M8 stud welding sample Car seat slide rail pad double-headed projection welding sample Car seat slide rail positioning pin automatic projection welding sample Car seat slide rail tie rod welding sample Car sunroof bracket nut projection welding sample Car trimmer triangle projection welding sample Car wheel anti-skid iron chain projection welding sample Carbon steel spot projection welding sample Carbon steel spot welding sample Diesel engine oil port ring projection welding sample Electric bicycle bracket spot welding sample Fixed tire auto parts spot welding sample Exhaust pipe bolt projection welding sample Galvanized sheet M6 round nut ring projection welding sample Gas spring ring projection welding sample High-strength steel Al-Si coated patch plate spot welding sample High-strength steel multi-spot welding samples High-strength steel nut plate projection welding sample High-strength steel nut projection welding sample Hollow sodium-filled valve ring projection welding sample Hollow tube ring projection welding samples for automotive parts Iron plate + M10 nut spot projection welding sample Iron plate + M12 nut spot projection welding sample M10 Stud Ring Projection Welding Sample Hot riveting welding sample of car seat slide rail M8 round nut + 1.5 hot-dip galvanized ring projection welding sample Plate heat exchanger welding sample M12 Bolt Projection Welding Sample Projection welding sample of automobile motor shell Projection welding sample of automobile exhaust processor nut Projection welding sample of sub-frame bottom nut Projection welding sample of engine inner core carbon steel plate Projection welding samples of car chassis nuts Projection welding sample of truck brake gas tank mouth ring Spot welding sample of automobile stabilizer connecting rod Shock absorber automatic projection welding sample Spot welding sample of bracket on automobile connecting rod Spot welding sample of car side burner reinforcement rib Square nut projection welding sample Stainless steel ball joint rod spot welding sample Thermoformed Steel Bolt Ring Projection Welding Sample Thermoformed high-strength steel stud projection welding samples Thermoformed steel stud nut projection welding sample