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Sumitronics Strength



Our best location (only 10 minutes to the US) will support you with lower logistic cost and shorter lead time while keeping operation cost competitive.

Supply Chain

We offer our customers a globally optimized and efficient supply chain with the lowest cost of material acquisition in the industry.


While maintaining an efficient manufacturing process, we uphold the highest standards of quality in management and service, using internally developed methods as well as industry standard practices.


We maintain technical expertise in focused market segments: 

        o Industrial.                                                       o Medical
        o Automotive                                                    o Computing and Storage
        o Networking / Telecommunications            o Consumer


With the largest capacity in the area, we can accommodate any customer needs.

Financial Stability

As a 100% subsidiary of Sumitomo Corp., we will be a reliable partner.

o  ISO-9001: 2015

o ISO/IATF-16949: 2016

o ISO-14001: 2015

o Green Supplier Certification

Click the map to view how close our Corporate Office and our Manufacturing Facilities are to major ports and airports in California.