Custom Plastic & Insert Molded Components
Engineered for extreme dimensional stability and complex functional integration. Moving far beyond commodity plastics, we specialize in manufacturing high-precision engineered components—from custom EV connectors and fluid handling systems to ultra-precise mechanical gears and optical lenses. Power…

Engineered for extreme dimensional stability and complex functional integration. Moving far beyond commodity plastics, we specialize in manufacturing high-precision engineered components—from custom EV connectors and fluid handling systems to ultra-precise mechanical gears and optical lenses. Powered by our elite in-house tooling and machining infrastructure, we execute flawless pure-plastic injection and highly complex metal-to-plastic insert molding. By controlling the entire ecosystem—from raw high-performance polymer and alloy sourcing to final QA—we deliver rigorous tolerances for mission-critical automotive, medical, and industrial applications, scaling seamlessly from agile prototypes to high-volume automated runs.
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Custom Connectors
Stop high-frequency signal loss immediately. We pair precision metals with LCP to guarantee 0.3mm pitch accuracy.
Enclosures & Housings
Eliminate critical IP67 seal failures caused by dimensional warpage. Our predictive injection molding guarantees perfect gasket compression.
Connector & Terminal Housings
Eliminate electrical arcing caused by microscopic plastic flash. Our integrated IATF 16949 tooling guarantees flawless zero-defect terminal mating.
Structural Brackets & Chassis
Eliminate structural warpage by 45% instantly. We engineer high-strength polymer brackets using IATF-certified scientific molding for fail-safe industrial assembly.
Panels, Bezels & Covers
Eliminate weld lines and surface defects. Kravzik delivers flawless Class-A finishes via 100% automated optical inspection.
Fluid & Air Handling Components
Eliminate catastrophic pressure leaks in complex pneumatic systems. Our advanced core-pulling guarantees 100% leak-proof fluid routing.
Gears & Mechanisms
Stop mechanical failure from tooth profile errors. Kravzik delivers ±0.01mm precision to ensure flawless and silent transmission performance.
Lenses & Optical Components
Eliminate optical distortion and surface defects. Kravzik uses Class 100K cleanrooms and variothermal molding to guarantee 92% light transmittance.
Handles, Grips & Knobs
Stop grip delamination and tactile irritations. Our zero-flash overmolding improves haptic comfort while reducing assembly-line rejection rates by 30%.
Load MoreAdvanced Polymers for Injection Molding

Peek
Ultra-high performance PEEK molding with IATF 16949 precision for mission-critical components requiring extreme thermal and chemical resistance.
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Nylon
High-performance Nylon molding solutions featuring advanced desiccant drying and precision thermal control for superior wear-resistant industrial components at scale.
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Polycarbonate (PC)
High-transparency, impact-resistant PC molding with IATF 16949 precision for rugged industrial and medical hardware.
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Delrin (POM)
Master high-load mechanical applications with Delrin (POM). We precisely control high crystallization shrinkage to deliver low-friction, precision-engineered hardware and hybrid metal-plastic components at scale.
Learn MoreView All Engineering PlasticsReview Manufacturing ServicesReady to Manufacture With One Accountable Factory?
From in-house tooling to high-volume production — stamping, molding, plating and assembly under one IATF 16949 roof. Send your spec and volume, get a quote within 24 hours.