Jiangsu JSH dust purification Co.,ltd established in 2004,we have more than 10 years experience of producing mining equipments, It is a company specializing in research, manufacture and sale tunnel vent duct,coal mine duct,airport duct and ship duct ,other ventilation duct    Our products has been widely used in these working environment, such as tunnel, basement,ship building or welding, laboratory ,air-conditioner,engine room，the municipal conduct engineering.Through pass years constant efforts,we have enjoyed talented technicians,advanced process equipments,profound experience in production,powelful marketing network and perfect service system.we are the supplier for many large state-owned coal mining enterprises.   We company have got import and export right,and has entered Western Europe, North Africa, South America and Southeast Asia market. website:www.jsjsh-china.com