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L&H employs high-precision mold design and manufacturing technologies for automotive parts, combined with injection molding techniques such as multi-point injection and hot runner systems to form complex plastic components. Metal parts undergo five-axis CNC machining to ensure precise dimensions and complex surfaces, complemented by surface treatments including spray coating, electrophoretic painting, and anodizing to enhance corrosion resistance and aesthetics. Rigorous dimensional measurements and functional tests ensure compliance with stringent automotive industry standards.
Our company utilizes high-precision CNC machining and cleanroom injection molding to produce RF and millimeter-wave components, employing micro-drilling and ultrasonic welding techniques to ensure tight assembly. Signal converter housings feature precision injection molding and multilayer surface treatments to enhance electromagnetic compatibility. Automated visual inspection and electrical performance testing run throughout production, ensuring products meet the rigorous standards of high-speed communication devices.
L&H operates in ISO 13485-compliant cleanroom environments for injection molding of medical device components, using medical-grade high-transparency plastics such as PC and PMMA to form high-gloss housings. Mechanical parts are precision machined using CNC and electrical discharge machining (EDM) to ensure the accuracy of complex structures. Strict sterile packaging and multiple biocompatibility tests guarantee product safety and reliability.
The company uses high-rigidity five-axis CNC machining centers combined with precision assembly lines and robotic automation to produce complex mechanical parts. Key components undergo nitriding and precision grinding to enhance wear resistance and accuracy. Quality control includes coordinate measuring machine (CMM) inspections and real-time monitoring systems to meet the high strength and precision requirements of industrial automation equipment.
L&H uses high-temperature resistant materials such as PPS and PEEK injection molding and high-strength metal machining to manufacture key power equipment components. Surface treatments include phosphating, anodizing, and thermal spraying to enhance corrosion and wear resistance. Products undergo environmental simulation tests (temperature, humidity, vibration) to ensure stable operation under harsh conditions, supporting the long-term reliability of new energy and traditional power equipment.
The company applies multi-material co-injection molding technology and efficient mold manufacturing to produce smart home housings and plastic parts for building structures. Laser marking and UV coating processes enhance product functionality and aesthetics. Automated assembly lines ensure product consistency, with multi-point quality inspections covering dimensions, mechanical performance, and weather resistance to meet smart building demands for safety and durability.
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E-mail：anna@lh-pd.com