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SAISONIC specializes in delivering custom wiring products across three main categories. Designed to meet OEM/ODM requirements and ensure high reliability, our high-quality wiring harnesses and electrical components can support various industries including automotive, industrial, medical, appliance, power tools, telecom and communication.

ISO/IATF Certified Manufacturer of Custom Cable Assemblies & Harnesses
We manufacture custom wire harnesses and cable assemblies under strict international standards, including ISO 9001, ISO 14001, ISO 13485, ISO 45001, and IATF 16949 certifications. Our custom wire processing covers every critical step from wire cutting through to assembly, ensuring consistent quality and reliable performance for OEM/ODM requirements.
About Us Manufacturer of Wire Harnesses & Cable Assemblies

Founded in 1992, SAISONIC has grown steadily for over 30 years to become a leading provider and service partner for wire harness and cable assembly solutions. The company specializes in high-quality electronic wire harnesses, crimped terminal harnesses, automotive harnesses, drone harnesses, power tool harnesses, as well as fully custom wire harnesses and cable assemblies. SAISONIC holds ISO9001, ISO14001, ISO13485, ISO45001, and IATF 16949 certifications, and has also obtained UL certification.

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