Case Studies

If you are looking for a reliable custom parts manufacturer from China, we are here for you!
Our professional sales executives and project managers at Marigold Rapid work with lots of mechanical engineers and product designers from all over the world, across different industries, to turn innovative ideas into reality in shortest possible time.

Have a look at some example projects we’ve worked on and see how they were made. Projects using a wide range of services including CNC machining, sheet metal fabrication, injection molding, compression molding, pressure die casting and various of post finishing techniques.

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Precision CNC machined from medical-grade 316L stainless steel, this orthopedic drill bit features a diamond-like carbon (DLC) coating for superior wear resistance and low friction in bone surgeries. Engineered to ±0.005mm tolerances, its spiral flute design optimizes debris evacuation and cooling during procedures. The DLC coating enhances biocompatibility, resists corrosion from sterilization cycles, and reduces tissue adhesion. Compliant with ISO 13485 standards, it meets rigorous regulatory requirements for spinal, trauma, or joint replacement surgeries. Lightweight, rigid, and autoclavable (up to 135°C), this high-tolerance tool delivers precise, reliable performance in orthopedic applications demanding durability and surgical precision.


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Precision CNC-machined from 6061-T6 aluminum, this high-tolerance component features laser-etched markings (serial numbers/logos) with permanent, abrasion-resistant clarity. Engineered to ±0.01mm tolerances via 5-axis milling, its complex geometries include precision holes, slots, and contoured surfaces for aerospace, medical, or semiconductor applications. The anodized finish enhances corrosion resistance while preserving marking legibility in harsh environments. Customizable marking depth and density suit traceability or branding needs, with ISO-compliant machining ensuring batch consistency from prototyping to production. Rigid, lightweight, and designed for seamless integration, it delivers unmatched precision and identification reliability in high-stakes industrial systems.


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Precision CNC-machined from 6061-T6 aluminum, this industrial mounting plate offers high-strength, lightweight support for machinery, control panels, or automation systems. Engineered with tight tolerances (±0.02mm) via 5-axis milling, it features precision-aligned mounting holes, slots, and reinforced ribs for secure, vibration-resistant equipment integration. The anodized finish enhances corrosion resistance, while customizable designs accommodate unique hole patterns, cutouts, or surface treatments (powder coat/laser marking). Ideal for heavy-duty applications in manufacturing, robotics, or industrial electronics, its rigid yet lightweight structure reduces assembly time and ensures long-term positional stability. ISO-compliant machining supports rapid prototyping to mass production with consistent quality. Contact for tailored CNC solutions!


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Precision CNC-machined from transparent polycarbonate (PC), this micro-channel component features ultra-fine fluidic pathways (down to 100μm) with optical-grade surface finish for unobstructed visualization. Engineered with ±0.01mm tolerances via 5-axis milling, its complex geometries enable laminar flow control in lab-on-a-chip systems, biomedical sensors, or micro-cooling applications. The high-clarity PC structure resists chemical corrosion and autoclaving (up to 120℃), ideal for sterile fluid handling or high-temperature environments. Customizable designs accommodate branching channel networks or integrated fittings, with ISO-compliant machining ensuring batch consistency from prototyping to mass production. Lightweight yet durable, it bridges precision fluid management and real-time optical monitoring in advanced microfluidic systems.


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Precision CNC-machined from high-strength aluminum alloy, this white robotic mounting bracket features an integrated design for industrial automation. Engineered via 5-axis machining with tight tolerances, its rigid structure resists vibration for robotic arms/joints. Hard-anodized for corrosion resistance, it suits harsh environments. Precision holes/slots enable quick motor/actuator integration, cutting assembly time. Lightweight yet high-load capable, it balances mobility and durability for automotive, logistics robotics. Customizable via ISO-compliant CNC machining. Contact for quotes!


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Precision-injection molded from FDA-compliant, medical-grade polymers (ABS/nylon), this black modular chassis delivers sterile, corrosion-resistant structural support for biotech lab instruments. Engineered with customizable mounting interfaces and modular frames, it adapts to diagnostic devices, analyzers, or automation systems while meeting ISO 13485 and USP Class VI standards. Tight tolerances (<±0.05mm) ensure precise component alignment, with smooth, non-porous surfaces enabling autoclave/ETO sterilization and easy decontamination. The rugged black finish resists chemical exposure and UV degradation, ideal for cell culture, genomics, or QC workflows. Lightweight yet impact-resistant, its scalable design supports rapid prototyping to GMP-compliant mass production via ISO-certified tooling. Contact for tailored medical-grade molding solutions!


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