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-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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Precision-injection molded from FDA-compliant, medical-grade transparent polymers (PMMA/COP/PC), this labware ensures sterile, contamination-free sample cultivation for cell biology, microbiology, or tissue engineering. Engineered with optical clarity and smooth, non-porous surfaces, it enables real-time microscopic observation while meeting USP Class VI biocompatibility and ISO 13485 standards. Tight tolerances (<±0.05mm) guarantee uniform well dimensions for reproducible experiments, with designs including multi-well plates, petri dishes, or microfluidic chambers. Autoclave/ETO sterilization compatibility and gamma-ray stability suit critical aseptic workflows, while customizable features (surface coatings, lid configurations) adapt to specialized protocols. Lightweight, shatter-resistant, and produced via ISO-compliant tooling, it delivers reliable performance from research labs to GMP manufacturing. Ideal for applications demanding precision, transparency, and regulatory compliance in sample cultivation. Contact for tailored medical-grade molding solutions!


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Precision-injection molded from FDA-compliant, medical-grade transparent polymers (PMMA/COP/PC), this labware ensures sterile, contamination-free sample cultivation for cell biology, microbiology, or tissue engineering. Engineered with optical clarity and smooth, non-porous surfaces, it enables real-time microscopic observation while meeting USP Class VI biocompatibility and ISO 13485 standards. Tight tolerances (<±0.05mm) guarantee uniform well dimensions for reproducible experiments, with designs including multi-well plates, petri dishes, or microfluidic chambers. Autoclave/ETO sterilization compatibility and gamma-ray stability suit critical aseptic workflows, while customizable features (surface coatings, lid configurations) adapt to specialized protocols. Lightweight, shatter-resistant, and produced via ISO-compliant tooling, it delivers reliable performance from research labs to GMP manufacturing. Ideal for applications demanding precision, transparency, and regulatory compliance in sample cultivation. Contact for tailored medical-grade molding solutions!


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Precision-injection molded from high-impact engineering plastics (ABS/nylon/POM), this vibrant orange robotic maintenance tool offers durable, lightweight performance for assembly, calibration, and repair of robotic systems. Engineered with ergonomic grips and precision-machined tips/sockets, it handles delicate components (gears, bearings, connectors) with tight tolerances (<±0.08mm), reducing risk of damage during installation. The high-visibility orange finish enhances workplace safety by improving tool location in cluttered environments, while chemical-resistant properties withstand lubricants, solvents, and harsh industrial conditions. Customizable designs accommodate unique robotic joint geometries or torque requirements, with optional anti-slip coatings optimizing handling precision. ISO-compliant manufacturing ensures consistent quality from prototyping to mass production, ideal for automotive, logistics, or industrial robotics demanding reliable, specialized maintenance tools. Lightweight yet rugged, it streamlines assembly workflows and extends component lifespan. Contact for tailored injection molding solutions!


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Precision-injection molded from FDA-compliant, medical-grade polymers (ABS/nylon), this black biotech sample processing enclosure ensures sterile, corrosion-resistant performance for diagnostic or cell culture applications. Engineered with tight tolerances (<±0.05mm) and smooth, non-porous surfaces, it enables contaminant-free handling and easy sterilization (autoclave/ETO compatible), meeting ISO 13485 and USP Class VI standards. Customizable designs accommodate fluidic channels, reagent wells, or sensor integration, with a rugged black finish resisting chemical exposure and UV degradation. Lightweight yet impact-resistant, the modular structure supports rapid prototyping to mass production via ISO-compliant tooling. Ideal for lab automation, immunoassay platforms, or sample storage systems demanding reliable, regulatory-compliant components. Contact for tailored medical-grade molding solutions!


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Precision-injection molded from durable engineering plastics (ABS/nylon/PBT), this beige mounting bracket offers lightweight, modular support for electronics and industrial equipment. Engineered with precision-aligned mounting holes and adjustable structural ribs, it enables secure, flexible installation as component supports, panel fixtures, or machinery mounts. The neutral beige finish resists UV/dust while blending with industrial aesthetics, and its corrosion-resistant design withstands harsh environments. Tight tolerances ensure seamless integration with compatible hardware, reducing assembly time. Customizable with reinforced load-bearing zones or anti-static coatings, our ISO-compliant tooling supports rapid prototyping to mass production. Ideal for control systems, automation devices, or electronic enclosures demanding reliable, adaptable mounting solutions. Contact for tailored injection molding quotes!


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