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Precision Parts for Automotive

Zhaohaotech specializes in manufacturing high-precision automotive components, utilizing advanced CNC Swiss-type lathes and high-performance spring and tension-spring machines to guarantee exceptional dimensional accuracy, reliability, and fatigue resistance. Our engineered parts—including micro-shafts, sensor pins, fuel injector components, and various custom actuator, valvetrain, and brake system springs—are widely applied in traditional internal combustion vehicles, electric vehicle (EV) powertrains, braking assemblies, and advanced driver-assistance systems (ADAS), serving the global automotive and smart mobility industries with high-performance solutions that meet stringent safety and quality standards.

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Precision Parts in Action

Variable Valve Timing (VVT) Solenoids

Parts for engine valve control

VVT solenoids adjust engine timing. Swiss lathes are used to machine their tiny internal plungers and spools, ensuring rapid, friction-free operation.

High-Pressure Common Rail Fuel Injection Systems

Parts for precise fuel delivery and combustion

Diesel and gasoline direct injection systems require micro-nozzles, needle valves, and armature shafts. CNC Swiss lathes provide the sub-micron tolerances needed to handle extreme pressures and optimize fuel atomization.

Advanced Anti-Lock Braking Systems (ABS)

Parts for vehicle braking control and safety

ABS hydraulic modulators rely on miniature control valve spools, return pins, and micro-sleeves. Swiss machining ensures these complex internal parts have flawless surface finishes to guarantee instant pressure regulation.

Electric Vehicle (EV) Thermal Management Units

Parts for battery and motor temperature control

EV cooling systems utilize intricate coolant control valves and micro-actuator shafts. CNC Swiss turning efficiently machines these lightweight aluminum and plastic components to prevent fluid leaks and maintain battery life.

Automotive Turbocharger Actuator Systems

Parts for forced induction and boost control

Turbochargers rely on wastegate actuation mechanisms to regulate boost. CNC Swiss machining delivers the heat-resistant stainless steel pivot pins, linkages, and threaded shafts capable of enduring extreme exhaust temperatures.

Electronic Power Steering (EPS) Sensors

Parts for driver steering assist and feedback

EPS systems utilize delicate torque sensor shafts and micro-magnetic cores. Swiss-type lathes easily turn these small, specialized metal alloy parts with the strict concentricity required for accurate steering input data.

Autonomous Driving LiDAR Scanning Modules

Parts for environmental sensing and perception

LiDAR units rely on high-speed micro-motor shafts and optical mirror mounts to scan surroundings. CNC Swiss lathes provide the exceptional geometric accuracy needed to keep components balanced at thousands of RPMs.

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