Chims Co. offers Chims Band and Chims Wear, innovative therapies developed through 40 years of clinical research by Dr. Hwang Hwa-Soo. Safety Certification: KFDA and the Korea Apparel Testing & Research Institute. Since 2000, Chims products have been supplied to over 3,000 medical institutions and individuals. Under the guidance of Dr. Hwang, instructional videos and lectures have been provided to educate healthcare professionals and the general public on how to use these therapies.