Zencro Industrial Co., Limited is located in Dongguan City, Guangdong Province. We are a high-tech company integrating the research, development, production, quality control, sale, marketing and after-sales service. We supply all kinds of fitness products and body-building products. Our production facilities are excellent, supported by rigorous quality control procedures and an innovative research and development team. Our main products are activity tracker,heart rate activity tracker, heart rate monitors,heart rate sensor,cycling speed sensor, pedometers and Bluetooth pedometers.ANT+, NFC.