Roncelli Technologies Information

Roncelli Technologies is a multi-material precision manufacturer of engineered components and assemblies, supporting mission-critical applications since 1969. With capabilities spanning thermoplastics, metals, carbon and graphite, elastomers, and advanced composites, Roncelli delivers high-performance solutions where precision, reliability, and consistency are essential. The company operates a global manufacturing footprint with facilities in California, Nevada, and Malaysia, supporting both domestic and international customers with scalable production and responsive supply chain capabilities. Roncelli serves the aerospace, defense, medical, semiconductor, and space industries, producing complex components with tight tolerances and demanding performance requirements. Core capabilities include CNC machining, injection molding, die cutting, advanced sealing solutions, welding and assembly, and cleanroom assembly. Operations are structured across four specialized divisions: Roncelli Plastics, Inc. – Monrovia, California Roncelli Plastics Sdn. Bhd. – Penang, Malaysia Roncelli Precision Sealing – Arcadia, California A vertically integrated manufacturing approach ensures control from engineering through final inspection, supported by rigorous quality systems and industry certifications. Roncelli continues to invest in advanced manufacturing technologies, automation, and global capacity to support leading innovators solving complex engineering challenges in demanding environments.