Established in 2005, Hongchang Industry is a professional company engaged in the production, science research, and sales of machinery electrical equipment with 18-year OEM & ODM experience. We have obtained a lot of professional and technical personnel, professional electric test equipment, and automatic electronic components testing instruments. We have independently developed HW series corona treatment, adopting PDM high voltage power supply technology with advanced international standards. Our company has gained very good reputations from many customers and looks forward to building cooperative relationships with you.