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Professional Design And Manufacturing
Of Automotive Lighting Molds
Taizhou Renxin Mold Co., Ltd. specializes in the R&D and manufacturing of high-tech automotive lamp molds, with a focus on dual-color/tri-color injection molds, thick-wall light guide molds, and lens molds. Utilizing advanced CAD/CAE/CAM technologies, we conduct comprehensive DFM analysis, mold flow analysis, optical simulation, and thermal simulation to ensure optimal solutions from the initial design stage. Supported by high-precision CNC machining, professional fitting and polishing processes, and a rigorous project management and inspection system, we provide end-to-end services from concept design to mass production delivery. We are a trusted partner for major automotive OEMs and Tier-1 suppliers.
  • Automotive Headlamp Mold

    As a professional automotive headlamp mold manufacturer, we provide high-precision mold solutions for modern vehicle front lighting systems. Headlamps are critical safety components that require powerful illumination, accurate low beam and high beam control, and strict glare limitation to meet global automotive lighting regulations.
    A typical headlamp assembly consists of multiple complex plastic parts, including Lens, Bezel, Light Guide, Thick-Wall, Bracket, Housing, Reflector. These components demand exceptional optical accuracy, surface quality, and dimensional stability, making headlamp mold design one of the most challenging areas in automotive lighting.
    We specialize in headlamp injection mold design and manufacturing, with strong capabilities in optical surface control, mold flow optimization, and precision machining. Advanced CNC milling, EDM processing, and strict quality inspection ensure stable molding performance and consistent optical results in mass production.
    High-grade mold steels such as 1.2343ESR, 1.2344ESR, NAK80, 1.8407, and 718H are widely used to guarantee excellent polishability, long mold life, and reliable performance.
    Our headlamp mold solutions are widely applied in LED headlamps, projector headlamps, matrix headlamps, and adaptive front lighting systems, serving global OEMs and Tier 1 suppliers. Comprehensive technical support and after-sales service help customers shorten development cycles and achieve stable production.

  • Tail Lights Mold

    We provide specialized automotive tail light mold solutions focusing on rear position lighting and visual styling. Tail lights play an essential role in vehicle visibility, brand identity, and nighttime recognition, especially in modern vehicle exterior design.
    Unlike functional signal lights, tail lights emphasize uniform light distribution, color consistency, and aesthetic appearance. Typical tail light components include Lens, Bezel, Thick-Wall, Bracket, Housing, Lamp Cover, and Reflector, which require precise mold control to achieve consistent visual effects.
    Our expertise lies in complex lens textures, light guide structures, and high-gloss surface finishes, ensuring excellent lighting uniformity and a premium appearance. Precision CNC machining and EDM processes allow accurate reproduction of fine patterns and styling lines.
    We commonly use mold steels such as 1.2343ESR, 1.2344ESR, NAK80, 1.2738HH, and 718H, which are well-suited for transparent and colored plastic parts requiring superior surface quality and durability.
    Our tail light molds are widely used in LED tail lights, light guide tail lights, and full-width rear lighting designs, supporting OEMs and Tier 1 suppliers worldwide with engineering support and reliable after-sales service.

  • High Mount Stop Lamp (HMSL) Mold

    High Mount Stop Lamps (HMSL) are critical safety components designed to provide clear and immediate braking signals to following vehicles. Positioned at an elevated location, HMSLs significantly improve reaction time and reduce rear-end collision risks.
    HMSL components typically feature compact structures, high brightness LEDs, and clear or red lenses, requiring molds with excellent dimensional accuracy and consistency. Uniform light output and reliable assembly are essential for compliance with automotive safety standards.
    We specialize in HMSL mold design and manufacturing, focusing on thin-wall molding, stable light transmission, and efficient production performance. Precision machining and optimized mold structures ensure high repeatability and low defect rates in mass production.
    Durable mold steels such as NAK80, 1.2343ESR, and 718H are selected to ensure long mold life and stable performance.
    Our HMSL mold solutions are widely applied in passenger vehicles, SUVs, and commercial vehicles, supported by technical assistance, mold maintenance, and after-sales service.

  • Fog Lights Mold

    Automotive fog lights are designed to improve visibility in fog, rain, and low-visibility conditions, helping drivers better recognize road boundaries and obstacles. Fog lights require specific beam patterns and controlled light dispersion to reduce reflection and glare.
    Fog light components usually include Compact housings, Lens, Reflectors, Thick-Wall and Bezel, with high demands on mold precision and structural strength.
    We provide fog light mold solutions with a focus on robust mold design, stable beam-forming structures, and efficient molding cycles. Precision machining ensures accurate optical geometry and consistent product quality.
    Commonly used mold steels such as 1.2343ESR, 1.2344ESR, and 718H guarantee durability and stable performance in long-term production.
    Our fog light molds are suitable for front and rear fog light applications, serving automotive OEMs with reliable manufacturing and technical support.

  • Retro Reflector Mold

    Automotive reflex reflectors are passive safety components that enhance vehicle visibility by reflecting external light sources, especially at night or when the vehicle is parked.
    Reflectors rely on micro-prismatic or cube-corner optical structures, requiring extremely high mold accuracy to ensure consistent reflection performance. Even minor deviations can significantly affect reflectivity.
    We specialize in high-precision reflex reflector mold manufacturing, focusing on micro-structure machining, optical accuracy, and surface integrity. Advanced machining technology enables accurate reproduction of fine reflective patterns.
    High-quality mold steels such as 1.2343ESR, NAK80, and 1.2738HH are used to achieve long mold life and stable optical performance.
    Our reflector molds are widely applied in rear reflectors, side reflectors, and integrated lighting systems, supporting automotive safety standards worldwide.

  • Other Mold

    Leveraging its core capabilities in ultra-high precision machining, complex optical surface processing, and stringent automotive-grade quality control accumulated in the field of automotive lighting molds, Renxin Mould has successfully extended its professional manufacturing system to a wider range of automotive functional components.