We (Topscom Electronics), founded in 1995, especially manufactures the following products. plete products contract PCB assembly and manufacturing services for car radar sirens start engine and turbo CPU control unit 2. Circuit boards 1 to 22 layers PCB layout, fabrication, assembly and box build 3. Active and passive components source is directly from original manufacturer by our overseas procurement office: Tokyo, Singapore, Hong Kong 4. Enclosure cabinet case plastic injection molding. metal stamping, manufacture and assembly 5. High-precision 0201 size components SMT technology and lead-free RoHS technology SMT process