Sinrel is a professional manufacturer specialized in TENS Units for pain relief, EMS stimulators for muscle training and beauty device etc, including Facial and Body Beauty Massagers. All products got the international certificates of FDA 510(K) in US, CE In Europe, FCC,etc., We have 10+ years' experience in R & D, manufacturing and exporting. Conforming to ISO 13485 Quality Management System, providing excellent and comprehensive services, we won all our customers' trust with New and Innovative, High Quality products,. Welcome all OEM & ODM orders! Let's work together towards great achievement on the basis of equality and mutual benefits.