Koven Technology, Inc.
Missouri, USA Koven Technology, Inc. is an ISO 13485:2003 certified company. Our HD-307 is a versatile bi-directional surgical doppler & has a special single frequency unit created for optimal sound quality in low flow states. Our echosounder ES-102EX is a heavy-duty desktop fetal doppler that has a large, easy-t More...
www.koven.com

Hadeco
Japan Hadeco is an ISO9001, ISO13485 and EN46001 certified company. We manufacture medical equipment and telecommunication equipment. Our volume flow meter QFM 21 helps in diagnosing the carotid arteriosclerosis. Our bi-directional doppler DVM-4300 is excellent for blood flow checking before and after sur More...
www.hadeco.co.jp