मिला हुआ रैंक नं.1 स्पोर्ट्स इयरफ़ोन और हेडसेट में सर्वश्रेष्ठ विक्रेताSupplier assessment proceduresFinished product inspectionOn-site material inspectionFull customization
High quality: Using high quality materal and establishing a strict quality control system, assigning specific persons in charge of each part of production, from raw material purchase to assembly.