Daheng related:

Optical mechanical and electrical products: http://www.cdhoptics.com

Laser treatment instrument: http://www.cdhcorp.com.cn dental products

Laser marking products: http://www.cdhcorp.com.cn

Headquarters:

Telephone: 010-82782668010-82783797

Fax: 010-82782669010-62960597

Address: #A9 Shangdi Xinxilu,Haidian District,Beijing 100085

Email: shop@cdhcorp.com.cn; optics@cdhcorp.com.cn

URL: http://www.cdhoptics.com