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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These black compression molded plastic parts combine precision compression molding, durable materials, and a sleek finish. Ideal for automotive/electronics/industrial use, they offer high strength, wear resistance, and customization. With ISO certification, fast prototyping (2-7 days), and 24-hour quotes, we ensure efficient, reliable production.


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Our green compression molded plastic parts are precision-crafted via advanced molding, ensuring durability, accuracy, and vibrant design. Made from premium plastics, they resist wear/heat, fitting diverse applications (automotive, electronics, etc.). Our company offers customization, strict quality checks, fast turnaround, and expert support. Ideal for prototyping/mass production, delivering reliability and value.


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Precision injection-molded from durable ABS/PA66, this painted door handle combines ergonomic design with impact resistance for residential, automotive, or commercial applications. Engineered with smooth contoured grips and precise mounting interfaces (±0.1mm tolerance), it ensures comfortable operation and secure installation. The multi-layered paint finish—available in matte/gloss textures and custom colors—offers superior scratch/UV resistance, tested to 500+ hours of salt-spray exposure. Optional anti-static or antimicrobial coatings enhance functionality for healthcare/industrial environments. Lightweight yet robust, its modular design supports quick assembly with standard door frames, while ISO-compliant tooling guarantees consistent quality from prototyping to mass production. Ideal for applications demanding aesthetic appeal and reliable performance.


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Precision CNC-machined from medical-grade CoCrMo alloy, this orthopedic joint implant features an electroplated hydroxyapatite (HA) or titanium nitride (TiN) coating to enhance osseointegration and wear resistance. Engineered to ±0.005mm tolerances, its anatomically contoured design ensures optimal fit for hip, knee, or shoulder replacements, while the HA coating promotes bone cell adhesion for stable fixation. The TiN layer boosts surface hardness (800+ HV), resisting corrosion from bodily fluids and cyclic loading. Sterilization-compatible (ETO/autoclave) and compliant with ISO 13485/FDA standards, this high-tolerance implant balances biocompatibility with mechanical durability, ideal for long-term load-bearing applications in revision or primary joint surgeries.


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Precision CNC-machined from medical-grade stainless steel (17-4 PH), this orthopedic bone screw driver features a titanium nitride (TiN) coating for exceptional hardness and corrosion resistance in spinal fusion, trauma fixation, or joint replacement surgeries. Engineered to ±0.003mm tolerances, its hexalobular (Torx®) tip ensures secure engagement with bone screws, minimizing slippage and tissue damage. The TiN coating reduces friction, extends tool life, and withstands repeated sterilization (autoclavable up to 135°C). Compliant with ISO 13485 standards, it delivers precise torque transmission and ergonomic handling for surgeons performing delicate bone screw insertions. Lightweight yet durable, this high-tolerance instrument meets the rigorous demands of orthopedic procedures requiring accuracy and reliability.


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Precision CNC-machined from medical-grade titanium alloy (Ti-6Al-4V), this orthopedic bone drill features an anodized surface for enhanced corrosion resistance and biocompatibility in spinal, trauma, or joint surgeries. Engineered to ±0.005mm tolerances, its spiral flute design optimizes debris evacuation and cooling during high-torque procedures, while the 硬质阳极氧化涂层 reduces friction and tissue adhesion. Lightweight yet ultra-rigid, the drill withstands repetitive sterilization cycles (autoclave up to 135°C) without compromising edge integrity. Compliant with ISO 13485 standards, it delivers precise, reliable performance in osteotomy, implant site preparation, or bone grafting—ideal for demanding orthopedic applications requiring minimal tissue trauma and long tool lifespan.


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