MEC ADDHEAT is the leading provider of wearable heating technology with partners world-wide. Based in Taiwan with manfuacturing hub in China and Development Hub in California. Today, MEC ADDHEAT CO., LTD. is the world's largest supplier of wearable heating system wth more than 10 years of experience in low voltage wearable heating systems, MEC ADDHEAT’s core philosophy is to provide added warmth with safe & proven technology. As the pioneer in several heating technology breakthroughs, MEC ADDHEAT is trusted by many of the world’s reputable brands as their wearable heating technology partner. From fabric to the heating module, we keep all manufacturing processes under one roof to ensure quality and safety. FDA Registered. ISO-9001, 13485 Medical Device Manufacturing Facility Certified, CE, Rhos.