1983 Established in Taiwan

1988 Expanded into ultrasonic nebulizer business

1990 Obtained FDA 510(k) clearance for digital thermometer sales in the USA

1995 Established factory in Dongguan, China
Established USA joint venture distributor

1996 Expanded into blood pressure monitor business

1997 Certified by ISO 9002, EN46002 & MDD 93/42/EEC, CE0197

1998 Expanded into IR thermometer business

2001 Expanded into sporting diagnostic business

2002 Certified by Chinese government for domestic sales (Thermometers, Blood pressure monitors)

2003 Certified by Chinese government for domestic sales (IR ear thermometers)
Certified by ISO 13485

2004 Accredited by CMDCAS (Canadian Medical Device license)
Expanded into biosensor business
Established Polygreen Germany GmbH

2005 Merged with E-on (Amplife)
Certified by ISO 9001
Creation by PolyGreenR of the ProDr. product range aimed Chinesemarket.
Establish PolyGreenR Europe.

2007 Establish new Corporate Identity and Global Marketing Services.
Accredited by Chinese Hypertension League for blood pressure monitors