Nanjing Daheng photoelectron technologies co.,ltd , a high-tech enterprise established in 1996 in Nanjing high and new technology development zone is a famous professional manufacturer of laser processing equipment, produces various laser marking, cutting & welding machines. Products sell nearly 30 domestic cityies and provinces, and have been batch exported to Korea, Brazil, Germany, Spain, Thailand, Parkistain, Singopore, Taiwan and other countries and districts.