Machining from
California
381 Jenks Dr, Corona, CA 92878
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What we do
At LH Precision, we are your one-stop shop for all your manufacturing needs. Our range of services is designed to provide you with high-quality, reliable solutions from start to finish. Whether you're looking for precision milling, turning, welding, or laser engraving, we got you. Beyond our in-house capabilities, we also handle any additional processes you may require.
From concept to completion, LH Precision is committed to meeting your manufacturing needs with efficiency, accuracy, and craftsmanship.
Automotive
At LH Precision, we specialize in high-precision CNC machining tailored for the automotive sector. Using advanced multi-axis CNC mills and lathes, we deliver components with tight tolerances in materials like aluminum, steel, and stainless—ensuring reliability, performance, and safety.
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Transmission & drivetrain: Gears, shafts, and housings.
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Suspension/braking: Custom bushings and brackets.
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EV components: Lightweight battery housings and structural parts.
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Prototyping & custom runs: From rapid prototypes to production volumes, including restoration parts.
Optical and Photonic
At our shop, we deliver ultra-precision CNC machining for the optical industry, achieving tolerances and superior surface finishes using advanced multi-axis CNC mills, and lathes.
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Lens housings and barrels for cameras, telescopes, and medical devices.
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Mirror mounts, prisms, and adjustment mechanisms.
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Custom enclosures and frames with complex features like slots, bevels, and mounting interfaces.
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Prototyping & production: Rapid prototypes to low-volume runs for lasers, microscopes, and imaging systems.
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Why us?
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Micron-level accuracy and smooth finishes critical for optical performance.
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Expertise in lightweighting and complex geometries.
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Fast prototyping and reliable production turnaround.
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Strict quality control for defect-free, high-clarity components.
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Energy
LH Precision plays a vital role in the energy industry by manufacturing precision CNC-machined components for equipment that accurately measures fossil fuels in power plants. Our advanced machining capabilities ensure parts withstand extreme conditions while delivering reliable performance in coal, oil, and natural gas monitoring systems.
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Robust calibration flanges
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Custom valve manifolds and precision fittings
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Durable adapters and mounting brackets
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High-tolerance enclosures for harsh environments