Established in 2004, through our teams continue effort together .now Guangzhou Tongsheng Electronic Technology Co., Ltd. becomes one of the best Chinese specializing in development research design and manufactures of personal health care products .employing up to 150 skilled and semi-skilled worker . In addition, Tongsheng products include four types of BP technology: Oscillometric, Auscultatory, R-Wave Gated Auscultatory and Dimensional K-Sound Analysis (DKA). Our main products are Blood Pressure IC. BP modules. Full-automatic digital arm and wrist blood pressure monitor as well as offer for Body electronic scale, kitchen electronic scale, pocket electronic scale, Pricing electronic scale. Jewelry electronic scale. We welcome OEM / ODM orders. meantime we can provision for quality certificate of products what the clients want to get it. The first-class products quality and satisfied services are our target , and we are also welcome your suggestions and comments in an effort to keep serving you better.