Model Number: STG-PCB0228 Brand Name: STG Key Specifications/Special Features: Complete products contract PCB assembly and manufacturing serviceCircuit boards: 1 to 22 layers PCB layout, fabrication and PCB assembly and box buildActive/passive components are sourced directly from original manufacturers by overseas procurement offices: Tokyo, Singapore, Hong KongEnclosure cabinet case: plastic injection molding, metal stamping, manufacture and assemblyTesting: PCBA in-circuit testing (agilent) PCBA function testing (Agilent), AOI (omron), X-Ray inspection. We always send the quotation to customers within 3 days, and reply e-mails within 5 hours OEM and ODM orders are accepted