Abstract: A method for a global supply chain and a quality control method for its quality management, using IT technology. Local Headquarter or Overseas Subsidiary partners with best Local Factory, Third Party Logistics Provider, IT service providers and professional Middlemen. Thus devote itself in supply chain and product quality management. All of the products produced in the same period, from same material and out of a same machine will be assigned a serial number. This number contains the real performance of the products. The testing result of product performance is directly recorded and cannot be revised. Everyone can track it online by providing this number.