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 high-clarity PC (transparent) and durable ABS/nylon (black), this modular cap assembly combines visual access with structural protection for electronics and industrial devices. Engineered with snap-fit interfaces and tight tolerances (<±0.05mm), it enables easy installation as control panel covers, sensor housings, or component enclosures. The transparent section offers unobstructed visibility for status monitoring, while the black frame provides UV/dust resistance and mechanical reinforcement. Corrosion-resistant finishes and customizable designs (cutouts, logo embossing) adapt to unique requirements, with ISO-compliant tooling ensuring consistent quality from prototyping to mass production. Lightweight yet impact-resistant, ideal for harsh environments demanding sleek, functional modular covers. Contact for tailored injection molding solutions!


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Precision-injection molded from high-strength plastics (ABS/nylon/PBT), this black modular grid frame offers lightweight rigidity for industrial/electronic assemblies. Engineered with uniform grids and precision mounts, it enables flexible integration as equipment supports, circuit board holders, or component positioning structures. Corrosion-resistant black finish withstands dust/chemicals, with modular design for easy reconfiguration in control panels, automation, or LED setups. Tight tolerances ensure seamless interlocking, reducing assembly time and boosting stability. Customizable with anti-static coatings/reinforced ribs, ISO-compliant tooling supports rapid prototyping to production. Lightweight, durable, and space-efficient for harsh industrial use. Contact for custom molding solutions!


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Precision-engineered via injection molding from FDA-compliant, medical-grade transparent polymers (PMMA/COP/PC), this biotech sample processing module offers optical clarity for real-time sample monitoring in diagnostic or cell culture applications. Engineered with microfluidic-compatible geometries and zero-leakage fluid channels, it ensures contaminant-free handling and easy sterilization (autoclave/ETO compatible), meeting USP Class VI and ISO 13485 standards. The smooth, non-porous surface resists chemical corrosion while enabling tight tolerances (<±0.01mm) for precise reagent alignment. Customizable designs accommodate complex channel networks or sensor integration, ideal for lab-on-a-chip systems, immunoassay platforms, or automated liquid handlers. ISO-compliant tooling supports rapid prototyping to mass production without compromising structural integrity or optical performance. Contact for tailored medical-grade injection molding solutions!


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Precision-engineered via injection molding from high-strength engineering plastics (ABS, nylon, PEEK), these robotic arm components deliver lightweight durability for industrial automation systems. Engineered with tight tolerances and complex geometries, they enable smooth motion in robotic joints, connectors, and gearbox structures while resisting wear, chemical corrosion, and high-cycle stress. Customizable designs accommodate unique load-bearing requirements, with optional surface treatments (lubrication coatings, anti-static finishes) optimizing performance in harsh manufacturing environments. ISO-compliant tooling ensures repeatable precision across prototyping and mass production, ideal for collaborative robots (cobots), pick-and-place arms, or heavy-duty industrial machinery. Lightweight yet robust, these components reduce energy consumption while enhancing positional accuracy. Contact for tailored injection molding solutions!


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Crafted from durable, corrosion-resistant sheet metal, this industrial equipment enclosure features precision-engineered ventilation slots and reinforced mounting points for optimal heat dissipation and secure system integration. Laser-cut with structural bends for mechanical rigidity, it protects control panels, power modules, or automation systems from dust, moisture, and impact while enabling easy installation of fans, filters, or access panels. Customizable designs accommodate unique spatial requirements, with powder-coat finishes (optional colors) enhancing durability in harsh environments. ISO-compliant manufacturing ensures tight tolerances and rapid turnaround, ideal for machinery, robotics, or industrial electronics demanding reliable, functional housing solutions. Contact for tailored sheet metal fabrication quotes!


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Precision-crafted from black powder-coated sheet metal, this industrial electronics mounting frame features laser-cut ventilation slots for optimal heat dissipation and air circulation in equipment chassis. Engineered with reinforced structural bends and precision mounting holes, it provides robust support for control panels, power modules, or industrial computers while resisting dust, moisture, and mechanical stress. The corrosion-resistant finish and customizable layout adapt to unique installation requirements, with modular design enabling easy integration of fans, cable management, or access panels. ISO-compliant manufacturing ensures tight tolerances and rapid turnaround, ideal for rugged industrial environments demanding reliable, high-precision equipment support solutions. Contact for tailored sheet metal fabrication quotes!


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