Zentan Technology Co., Ltd. is a privately owned developer and manufacturer with 20 years experience in the field of wireless health and sports monitoring products production, including designs, approvals marketing and sales of the Cardiosport brand of heart rate monitors. We operate to ISO 9001, ISO13485 & GMP (Medical Device Directive) through quality control system during production .

Long lasting relationships have been developed with customers in over 40 countries from large multinational clients to small specialist developers, OEM and ODM clients.

Quality systems are in place to cover both the design and production activities, which are independently audited. Best management and customer services practices are used to ensure the products and services offered are of the very highest standard.